O-Ring Size Chart

AS568 O-Ring Size Chart

Look up any AS568 dash size, or match a measured inside diameter and cross-section to the nearest standard O-ring. Then check the groove, material and service conditions before quoting.

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AS568 reference

AS568 O-ring size chart

All 369 SAE AS568 dash sizes with inside diameter, cross-section and outside diameter in inches and millimetres. Search by dash number, or enter a measured ID or CS (for example 24.99 or 0.139) to find the nearest standard sizes.

-001 to -050: CS 0.070 in / 1.78 mm
-102 to -178: CS 0.103 in / 2.62 mm
-201 to -284: CS 0.139 in / 3.53 mm
-309 to -395: CS 0.210 in / 5.33 mm
-425 to -475: CS 0.275 in / 6.99 mm
-901 to -932: Boss seals, CS 0.056–0.118 in

Dash number or dimension Series

Showing 369 of 369 sizes

SAE AS568 O-ring dimensions. Tolerances shown as ±.
Dash no.	ID (in)	CS (in)	OD (in)	ID (mm)	CS (mm)	OD (mm)
AS568-001	0.029 ± 0.004	0.040 ± 0.003	0.109	0.74 ± 0.10	1.02 ± 0.08	2.78
AS568-002	0.042 ± 0.004	0.050 ± 0.003	0.142	1.07 ± 0.10	1.27 ± 0.08	3.61
AS568-003	0.056 ± 0.004	0.060 ± 0.003	0.176	1.42 ± 0.10	1.52 ± 0.08	4.46
AS568-004	0.070 ± 0.005	0.070 ± 0.003	0.210	1.78 ± 0.13	1.78 ± 0.08	5.34
AS568-005	0.101 ± 0.005	0.070 ± 0.003	0.241	2.57 ± 0.13	1.78 ± 0.08	6.13
AS568-006	0.114 ± 0.005	0.070 ± 0.003	0.254	2.90 ± 0.13	1.78 ± 0.08	6.46
AS568-007	0.145 ± 0.005	0.070 ± 0.003	0.285	3.68 ± 0.13	1.78 ± 0.08	7.24
AS568-008	0.176 ± 0.005	0.070 ± 0.003	0.316	4.47 ± 0.13	1.78 ± 0.08	8.03
AS568-009	0.208 ± 0.005	0.070 ± 0.003	0.348	5.28 ± 0.13	1.78 ± 0.08	8.84
AS568-010	0.239 ± 0.005	0.070 ± 0.003	0.379	6.07 ± 0.13	1.78 ± 0.08	9.63
AS568-011	0.301 ± 0.005	0.070 ± 0.003	0.441	7.65 ± 0.13	1.78 ± 0.08	11.21
AS568-012	0.364 ± 0.005	0.070 ± 0.003	0.504	9.25 ± 0.13	1.78 ± 0.08	12.81
AS568-013	0.426 ± 0.005	0.070 ± 0.003	0.566	10.82 ± 0.13	1.78 ± 0.08	14.38
AS568-014	0.489 ± 0.005	0.070 ± 0.003	0.629	12.42 ± 0.13	1.78 ± 0.08	15.98
AS568-015	0.551 ± 0.007	0.070 ± 0.003	0.691	14.00 ± 0.18	1.78 ± 0.08	17.56
AS568-016	0.614 ± 0.009	0.070 ± 0.003	0.754	15.60 ± 0.23	1.78 ± 0.08	19.16
AS568-017	0.676 ± 0.009	0.070 ± 0.003	0.816	17.17 ± 0.23	1.78 ± 0.08	20.73
AS568-018	0.739 ± 0.009	0.070 ± 0.003	0.879	18.77 ± 0.23	1.78 ± 0.08	22.33
AS568-019	0.801 ± 0.009	0.070 ± 0.003	0.941	20.35 ± 0.23	1.78 ± 0.08	23.91
AS568-020	0.864 ± 0.009	0.070 ± 0.003	1.004	21.95 ± 0.23	1.78 ± 0.08	25.51
AS568-021	0.926 ± 0.009	0.070 ± 0.003	1.066	23.52 ± 0.23	1.78 ± 0.08	27.08
AS568-022	0.989 ± 0.010	0.070 ± 0.003	1.129	25.12 ± 0.25	1.78 ± 0.08	28.68
AS568-023	1.051 ± 0.010	0.070 ± 0.003	1.191	26.70 ± 0.25	1.78 ± 0.08	30.26
AS568-024	1.114 ± 0.010	0.070 ± 0.003	1.254	28.30 ± 0.25	1.78 ± 0.08	31.86
AS568-025	1.176 ± 0.011	0.070 ± 0.003	1.316	29.87 ± 0.28	1.78 ± 0.08	33.43
AS568-026	1.239 ± 0.011	0.070 ± 0.003	1.379	31.47 ± 0.28	1.78 ± 0.08	35.03
AS568-027	1.301 ± 0.011	0.070 ± 0.003	1.441	33.05 ± 0.28	1.78 ± 0.08	36.61
AS568-028	1.364 ± 0.013	0.070 ± 0.003	1.504	34.65 ± 0.33	1.78 ± 0.08	38.21
AS568-029	1.489 ± 0.013	0.070 ± 0.003	1.629	37.82 ± 0.33	1.78 ± 0.08	41.38
AS568-030	1.614 ± 0.013	0.070 ± 0.003	1.754	41.00 ± 0.33	1.78 ± 0.08	44.56
AS568-031	1.739 ± 0.015	0.070 ± 0.003	1.879	44.17 ± 0.38	1.78 ± 0.08	47.73
AS568-032	1.864 ± 0.015	0.070 ± 0.003	2.004	47.35 ± 0.38	1.78 ± 0.08	50.91
AS568-033	1.989 ± 0.018	0.070 ± 0.003	2.129	50.52 ± 0.46	1.78 ± 0.08	54.08
AS568-034	2.114 ± 0.018	0.070 ± 0.003	2.254	53.70 ± 0.46	1.78 ± 0.08	57.26
AS568-035	2.239 ± 0.018	0.070 ± 0.003	2.379	56.87 ± 0.46	1.78 ± 0.08	60.43
AS568-036	2.364 ± 0.018	0.070 ± 0.003	2.504	60.05 ± 0.46	1.78 ± 0.08	63.61
AS568-037	2.489 ± 0.018	0.070 ± 0.003	2.629	63.22 ± 0.46	1.78 ± 0.08	66.78
AS568-038	2.614 ± 0.020	0.070 ± 0.003	2.754	66.40 ± 0.51	1.78 ± 0.08	69.96
AS568-039	2.739 ± 0.020	0.070 ± 0.003	2.879	69.57 ± 0.51	1.78 ± 0.08	73.13
AS568-040	2.864 ± 0.020	0.070 ± 0.003	3.004	72.75 ± 0.51	1.78 ± 0.08	76.31
AS568-041	2.989 ± 0.024	0.070 ± 0.003	3.129	75.92 ± 0.61	1.78 ± 0.08	79.48
AS568-042	3.239 ± 0.024	0.070 ± 0.003	3.379	82.27 ± 0.61	1.78 ± 0.08	85.83
AS568-043	3.489 ± 0.024	0.070 ± 0.003	3.629	88.62 ± 0.61	1.78 ± 0.08	92.18
AS568-044	3.739 ± 0.027	0.070 ± 0.003	3.879	94.97 ± 0.69	1.78 ± 0.08	98.53
AS568-045	3.989 ± 0.027	0.070 ± 0.003	4.129	101.32 ± 0.69	1.78 ± 0.08	104.88
AS568-046	4.239 ± 0.030	0.070 ± 0.003	4.379	107.67 ± 0.76	1.78 ± 0.08	111.23
AS568-047	4.489 ± 0.030	0.070 ± 0.003	4.629	114.02 ± 0.76	1.78 ± 0.08	117.58
AS568-048	4.739 ± 0.030	0.070 ± 0.003	4.879	120.37 ± 0.76	1.78 ± 0.08	123.93
AS568-049	4.989 ± 0.037	0.070 ± 0.003	5.129	126.72 ± 0.94	1.78 ± 0.08	130.28
AS568-050	5.239 ± 0.037	0.070 ± 0.003	5.379	133.07 ± 0.94	1.78 ± 0.08	136.63
AS568-102	0.049 ± 0.005	0.103 ± 0.003	0.255	1.24 ± 0.13	2.62 ± 0.08	6.48
AS568-103	0.081 ± 0.005	0.103 ± 0.003	0.287	2.06 ± 0.13	2.62 ± 0.08	7.30
AS568-104	0.112 ± 0.005	0.103 ± 0.003	0.318	2.84 ± 0.13	2.62 ± 0.08	8.08
AS568-105	0.143 ± 0.005	0.103 ± 0.003	0.349	3.63 ± 0.13	2.62 ± 0.08	8.87
AS568-106	0.174 ± 0.005	0.103 ± 0.003	0.380	4.42 ± 0.13	2.62 ± 0.08	9.66
AS568-107	0.206 ± 0.005	0.103 ± 0.003	0.412	5.23 ± 0.13	2.62 ± 0.08	10.47
AS568-108	0.237 ± 0.005	0.103 ± 0.003	0.443	6.02 ± 0.13	2.62 ± 0.08	11.26
AS568-109	0.299 ± 0.005	0.103 ± 0.003	0.505	7.59 ± 0.13	2.62 ± 0.08	12.83
AS568-110	0.362 ± 0.005	0.103 ± 0.003	0.568	9.19 ± 0.13	2.62 ± 0.08	14.43
AS568-111	0.424 ± 0.005	0.103 ± 0.003	0.630	10.77 ± 0.13	2.62 ± 0.08	16.01
AS568-112	0.487 ± 0.005	0.103 ± 0.003	0.693	12.37 ± 0.13	2.62 ± 0.08	17.61
AS568-113	0.549 ± 0.007	0.103 ± 0.003	0.755	13.94 ± 0.18	2.62 ± 0.08	19.18
AS568-114	0.612 ± 0.009	0.103 ± 0.003	0.818	15.54 ± 0.23	2.62 ± 0.08	20.78
AS568-115	0.674 ± 0.009	0.103 ± 0.003	0.880	17.12 ± 0.23	2.62 ± 0.08	22.36
AS568-116	0.737 ± 0.009	0.103 ± 0.003	0.943	18.72 ± 0.23	2.62 ± 0.08	23.96
AS568-117	0.799 ± 0.010	0.103 ± 0.003	1.005	20.29 ± 0.25	2.62 ± 0.08	25.53
AS568-118	0.862 ± 0.010	0.103 ± 0.003	1.068	21.89 ± 0.25	2.62 ± 0.08	27.13
AS568-119	0.924 ± 0.010	0.103 ± 0.003	1.130	23.47 ± 0.25	2.62 ± 0.08	28.71
AS568-120	0.987 ± 0.010	0.103 ± 0.003	1.193	25.07 ± 0.25	2.62 ± 0.08	30.31
AS568-121	1.049 ± 0.010	0.103 ± 0.003	1.255	26.64 ± 0.25	2.62 ± 0.08	31.88
AS568-122	1.112 ± 0.010	0.103 ± 0.003	1.318	28.24 ± 0.25	2.62 ± 0.08	33.48
AS568-123	1.174 ± 0.012	0.103 ± 0.003	1.380	29.82 ± 0.30	2.62 ± 0.08	35.06
AS568-124	1.237 ± 0.012	0.103 ± 0.003	1.443	31.42 ± 0.30	2.62 ± 0.08	36.66
AS568-125	1.299 ± 0.012	0.103 ± 0.003	1.505	32.99 ± 0.30	2.62 ± 0.08	38.23
AS568-126	1.362 ± 0.012	0.103 ± 0.003	1.568	34.59 ± 0.30	2.62 ± 0.08	39.83
AS568-127	1.424 ± 0.012	0.103 ± 0.003	1.630	36.17 ± 0.30	2.62 ± 0.08	41.41
AS568-128	1.487 ± 0.012	0.103 ± 0.003	1.693	37.77 ± 0.30	2.62 ± 0.08	43.01
AS568-129	1.549 ± 0.015	0.103 ± 0.003	1.755	39.34 ± 0.38	2.62 ± 0.08	44.58
AS568-130	1.612 ± 0.015	0.103 ± 0.003	1.818	40.94 ± 0.38	2.62 ± 0.08	46.18
AS568-131	1.674 ± 0.015	0.103 ± 0.003	1.880	42.52 ± 0.38	2.62 ± 0.08	47.76
AS568-132	1.737 ± 0.015	0.103 ± 0.003	1.943	44.12 ± 0.38	2.62 ± 0.08	49.36
AS568-133	1.799 ± 0.015	0.103 ± 0.003	2.005	45.69 ± 0.38	2.62 ± 0.08	50.93
AS568-134	1.862 ± 0.015	0.103 ± 0.003	2.068	47.29 ± 0.38	2.62 ± 0.08	52.53
AS568-135	1.925 ± 0.017	0.103 ± 0.003	2.131	48.90 ± 0.43	2.62 ± 0.08	54.14
AS568-136	1.987 ± 0.017	0.103 ± 0.003	2.193	50.47 ± 0.43	2.62 ± 0.08	55.71
AS568-137	2.050 ± 0.017	0.103 ± 0.003	2.256	52.07 ± 0.43	2.62 ± 0.08	57.31
AS568-138	2.112 ± 0.017	0.103 ± 0.003	2.318	53.64 ± 0.43	2.62 ± 0.08	58.88
AS568-139	2.175 ± 0.017	0.103 ± 0.003	2.381	55.25 ± 0.43	2.62 ± 0.08	60.49
AS568-140	2.237 ± 0.017	0.103 ± 0.003	2.443	56.82 ± 0.43	2.62 ± 0.08	62.06
AS568-141	2.300 ± 0.020	0.103 ± 0.003	2.506	58.42 ± 0.51	2.62 ± 0.08	63.66
AS568-142	2.362 ± 0.020	0.103 ± 0.003	2.568	59.99 ± 0.51	2.62 ± 0.08	65.23
AS568-143	2.425 ± 0.020	0.103 ± 0.003	2.631	61.60 ± 0.51	2.62 ± 0.08	66.84
AS568-144	2.487 ± 0.020	0.103 ± 0.003	2.693	63.17 ± 0.51	2.62 ± 0.08	68.41
AS568-145	2.550 ± 0.020	0.103 ± 0.003	2.756	64.77 ± 0.51	2.62 ± 0.08	70.01
AS568-146	2.612 ± 0.020	0.103 ± 0.003	2.818	66.34 ± 0.51	2.62 ± 0.08	71.58
AS568-147	2.675 ± 0.022	0.103 ± 0.003	2.881	67.95 ± 0.56	2.62 ± 0.08	73.19
AS568-148	2.737 ± 0.022	0.103 ± 0.003	2.943	69.52 ± 0.56	2.62 ± 0.08	74.76
AS568-149	2.800 ± 0.022	0.103 ± 0.003	3.006	71.12 ± 0.56	2.62 ± 0.08	76.36
AS568-150	2.862 ± 0.022	0.103 ± 0.003	3.068	72.69 ± 0.56	2.62 ± 0.08	77.93
AS568-151	2.987 ± 0.024	0.103 ± 0.003	3.193	75.87 ± 0.61	2.62 ± 0.08	81.11
AS568-152	3.237 ± 0.024	0.103 ± 0.003	3.443	82.22 ± 0.61	2.62 ± 0.08	87.46
AS568-153	3.487 ± 0.024	0.103 ± 0.003	3.693	88.57 ± 0.61	2.62 ± 0.08	93.81
AS568-154	3.737 ± 0.028	0.103 ± 0.003	3.943	94.92 ± 0.71	2.62 ± 0.08	100.16
AS568-155	3.987 ± 0.028	0.103 ± 0.003	4.193	101.27 ± 0.71	2.62 ± 0.08	106.51
AS568-156	4.237 ± 0.030	0.103 ± 0.003	4.443	107.62 ± 0.76	2.62 ± 0.08	112.86
AS568-157	4.487 ± 0.030	0.103 ± 0.003	4.693	113.97 ± 0.76	2.62 ± 0.08	119.21
AS568-158	4.737 ± 0.030	0.103 ± 0.003	4.943	120.32 ± 0.76	2.62 ± 0.08	125.56
AS568-159	4.987 ± 0.035	0.103 ± 0.003	5.193	126.67 ± 0.89	2.62 ± 0.08	131.91
AS568-160	5.237 ± 0.035	0.103 ± 0.003	5.443	133.02 ± 0.89	2.62 ± 0.08	138.26
AS568-161	5.487 ± 0.035	0.103 ± 0.003	5.693	139.37 ± 0.89	2.62 ± 0.08	144.61
AS568-162	5.737 ± 0.035	0.103 ± 0.003	5.943	145.72 ± 0.89	2.62 ± 0.08	150.96
AS568-163	5.987 ± 0.035	0.103 ± 0.003	6.193	152.07 ± 0.89	2.62 ± 0.08	157.31
AS568-164	6.237 ± 0.040	0.103 ± 0.003	6.443	158.42 ± 1.02	2.62 ± 0.08	163.66
AS568-165	6.487 ± 0.040	0.103 ± 0.003	6.693	164.77 ± 1.02	2.62 ± 0.08	170.01
AS568-166	6.737 ± 0.040	0.103 ± 0.003	6.943	171.12 ± 1.02	2.62 ± 0.08	176.36
AS568-167	6.987 ± 0.040	0.103 ± 0.003	7.193	177.47 ± 1.02	2.62 ± 0.08	182.71
AS568-168	7.237 ± 0.045	0.103 ± 0.003	7.443	183.82 ± 1.14	2.62 ± 0.08	189.06
AS568-169	7.487 ± 0.045	0.103 ± 0.003	7.693	190.17 ± 1.14	2.62 ± 0.08	195.41
AS568-170	7.737 ± 0.045	0.103 ± 0.003	7.943	196.52 ± 1.14	2.62 ± 0.08	201.76
AS568-171	7.987 ± 0.045	0.103 ± 0.003	8.193	202.87 ± 1.14	2.62 ± 0.08	208.11
AS568-172	8.237 ± 0.050	0.103 ± 0.003	8.443	209.22 ± 1.27	2.62 ± 0.08	214.46
AS568-173	8.487 ± 0.050	0.103 ± 0.003	8.693	215.57 ± 1.27	2.62 ± 0.08	220.81
AS568-174	8.737 ± 0.050	0.103 ± 0.003	8.943	221.92 ± 1.27	2.62 ± 0.08	227.16
AS568-175	8.987 ± 0.050	0.103 ± 0.003	9.193	228.27 ± 1.27	2.62 ± 0.08	233.51
AS568-176	9.237 ± 0.055	0.103 ± 0.003	9.443	234.62 ± 1.40	2.62 ± 0.08	239.86
AS568-177	9.487 ± 0.055	0.103 ± 0.003	9.693	240.97 ± 1.40	2.62 ± 0.08	246.21
AS568-178	9.737 ± 0.055	0.103 ± 0.003	9.943	247.32 ± 1.40	2.62 ± 0.08	252.56
AS568-201	0.171 ± 0.005	0.139 ± 0.004	0.449	4.34 ± 0.13	3.53 ± 0.10	11.40
AS568-202	0.234 ± 0.005	0.139 ± 0.004	0.512	5.94 ± 0.13	3.53 ± 0.10	13.00
AS568-203	0.296 ± 0.005	0.139 ± 0.004	0.574	7.52 ± 0.13	3.53 ± 0.10	14.58
AS568-204	0.359 ± 0.005	0.139 ± 0.004	0.637	9.12 ± 0.13	3.53 ± 0.10	16.18
AS568-205	0.421 ± 0.005	0.139 ± 0.004	0.699	10.69 ± 0.13	3.53 ± 0.10	17.75
AS568-206	0.484 ± 0.005	0.139 ± 0.004	0.762	12.29 ± 0.13	3.53 ± 0.10	19.35
AS568-207	0.546 ± 0.007	0.139 ± 0.004	0.824	13.87 ± 0.18	3.53 ± 0.10	20.93
AS568-208	0.609 ± 0.009	0.139 ± 0.004	0.887	15.47 ± 0.23	3.53 ± 0.10	22.53
AS568-209	0.671 ± 0.009	0.139 ± 0.004	0.949	17.04 ± 0.23	3.53 ± 0.10	24.10
AS568-210	0.734 ± 0.010	0.139 ± 0.004	1.012	18.64 ± 0.25	3.53 ± 0.10	25.70
AS568-211	0.796 ± 0.010	0.139 ± 0.004	1.074	20.22 ± 0.25	3.53 ± 0.10	27.28
AS568-212	0.859 ± 0.010	0.139 ± 0.004	1.137	21.82 ± 0.25	3.53 ± 0.10	28.88
AS568-213	0.921 ± 0.010	0.139 ± 0.004	1.199	23.39 ± 0.25	3.53 ± 0.10	30.45
AS568-214	0.984 ± 0.010	0.139 ± 0.004	1.262	24.99 ± 0.25	3.53 ± 0.10	32.05
AS568-215	1.046 ± 0.010	0.139 ± 0.004	1.324	26.57 ± 0.25	3.53 ± 0.10	33.63
AS568-216	1.109 ± 0.012	0.139 ± 0.004	1.387	28.17 ± 0.30	3.53 ± 0.10	35.23
AS568-217	1.171 ± 0.012	0.139 ± 0.004	1.449	29.74 ± 0.30	3.53 ± 0.10	36.80
AS568-218	1.234 ± 0.012	0.139 ± 0.004	1.512	31.34 ± 0.30	3.53 ± 0.10	38.40
AS568-219	1.296 ± 0.012	0.139 ± 0.004	1.574	32.92 ± 0.30	3.53 ± 0.10	39.98
AS568-220	1.359 ± 0.012	0.139 ± 0.004	1.637	34.52 ± 0.30	3.53 ± 0.10	41.58
AS568-221	1.421 ± 0.012	0.139 ± 0.004	1.699	36.09 ± 0.30	3.53 ± 0.10	43.15
AS568-222	1.484 ± 0.015	0.139 ± 0.004	1.762	37.69 ± 0.38	3.53 ± 0.10	44.75
AS568-223	1.609 ± 0.015	0.139 ± 0.004	1.887	40.87 ± 0.38	3.53 ± 0.10	47.93
AS568-224	1.734 ± 0.015	0.139 ± 0.004	2.012	44.04 ± 0.38	3.53 ± 0.10	51.10
AS568-225	1.859 ± 0.018	0.139 ± 0.004	2.137	47.22 ± 0.46	3.53 ± 0.10	54.28
AS568-226	1.984 ± 0.018	0.139 ± 0.004	2.262	50.39 ± 0.46	3.53 ± 0.10	57.45
AS568-227	2.109 ± 0.018	0.139 ± 0.004	2.387	53.57 ± 0.46	3.53 ± 0.10	60.63
AS568-228	2.234 ± 0.020	0.139 ± 0.004	2.512	56.74 ± 0.51	3.53 ± 0.10	63.80
AS568-229	2.359 ± 0.020	0.139 ± 0.004	2.637	59.92 ± 0.51	3.53 ± 0.10	66.98
AS568-230	2.484 ± 0.020	0.139 ± 0.004	2.762	63.09 ± 0.51	3.53 ± 0.10	70.15
AS568-231	2.609 ± 0.020	0.139 ± 0.004	2.887	66.27 ± 0.51	3.53 ± 0.10	73.33
AS568-232	2.734 ± 0.024	0.139 ± 0.004	3.012	69.44 ± 0.61	3.53 ± 0.10	76.50
AS568-233	2.859 ± 0.024	0.139 ± 0.004	3.137	72.62 ± 0.61	3.53 ± 0.10	79.68
AS568-234	2.984 ± 0.024	0.139 ± 0.004	3.262	75.79 ± 0.61	3.53 ± 0.10	82.85
AS568-235	3.109 ± 0.024	0.139 ± 0.004	3.387	78.97 ± 0.61	3.53 ± 0.10	86.03
AS568-236	3.234 ± 0.024	0.139 ± 0.004	3.512	82.14 ± 0.61	3.53 ± 0.10	89.20
AS568-237	3.359 ± 0.024	0.139 ± 0.004	3.637	85.32 ± 0.61	3.53 ± 0.10	92.38
AS568-238	3.484 ± 0.024	0.139 ± 0.004	3.762	88.49 ± 0.61	3.53 ± 0.10	95.55
AS568-239	3.609 ± 0.028	0.139 ± 0.004	3.887	91.67 ± 0.71	3.53 ± 0.10	98.73
AS568-240	3.734 ± 0.028	0.139 ± 0.004	4.012	94.84 ± 0.71	3.53 ± 0.10	101.90
AS568-241	3.859 ± 0.028	0.139 ± 0.004	4.137	98.02 ± 0.71	3.53 ± 0.10	105.08
AS568-242	3.984 ± 0.028	0.139 ± 0.004	4.262	101.19 ± 0.71	3.53 ± 0.10	108.25
AS568-243	4.109 ± 0.028	0.139 ± 0.004	4.387	104.37 ± 0.71	3.53 ± 0.10	111.43
AS568-244	4.234 ± 0.030	0.139 ± 0.004	4.512	107.54 ± 0.76	3.53 ± 0.10	114.60
AS568-245	4.359 ± 0.030	0.139 ± 0.004	4.637	110.72 ± 0.76	3.53 ± 0.10	117.78
AS568-246	4.484 ± 0.030	0.139 ± 0.004	4.762	113.89 ± 0.76	3.53 ± 0.10	120.95
AS568-247	4.609 ± 0.030	0.139 ± 0.004	4.887	117.07 ± 0.76	3.53 ± 0.10	124.13
AS568-248	4.734 ± 0.030	0.139 ± 0.004	5.012	120.24 ± 0.76	3.53 ± 0.10	127.30
AS568-249	4.859 ± 0.035	0.139 ± 0.004	5.137	123.42 ± 0.89	3.53 ± 0.10	130.48
AS568-250	4.984 ± 0.035	0.139 ± 0.004	5.262	126.59 ± 0.89	3.53 ± 0.10	133.65
AS568-251	5.109 ± 0.035	0.139 ± 0.004	5.387	129.77 ± 0.89	3.53 ± 0.10	136.83
AS568-252	5.234 ± 0.035	0.139 ± 0.004	5.512	132.94 ± 0.89	3.53 ± 0.10	140.00
AS568-253	5.359 ± 0.035	0.139 ± 0.004	5.637	136.12 ± 0.89	3.53 ± 0.10	143.18
AS568-254	5.484 ± 0.035	0.139 ± 0.004	5.762	139.29 ± 0.89	3.53 ± 0.10	146.35
AS568-255	5.609 ± 0.035	0.139 ± 0.004	5.887	142.47 ± 0.89	3.53 ± 0.10	149.53
AS568-256	5.734 ± 0.035	0.139 ± 0.004	6.012	145.64 ± 0.89	3.53 ± 0.10	152.70
AS568-257	5.859 ± 0.035	0.139 ± 0.004	6.137	148.82 ± 0.89	3.53 ± 0.10	155.88
AS568-258	5.984 ± 0.035	0.139 ± 0.004	6.262	151.99 ± 0.89	3.53 ± 0.10	159.05
AS568-259	6.234 ± 0.040	0.139 ± 0.004	6.512	158.34 ± 1.02	3.53 ± 0.10	165.40
AS568-260	6.484 ± 0.040	0.139 ± 0.004	6.762	164.69 ± 1.02	3.53 ± 0.10	171.75
AS568-261	6.734 ± 0.040	0.139 ± 0.004	7.012	171.04 ± 1.02	3.53 ± 0.10	178.10
AS568-262	6.984 ± 0.040	0.139 ± 0.004	7.262	177.39 ± 1.02	3.53 ± 0.10	184.45
AS568-263	7.234 ± 0.045	0.139 ± 0.004	7.512	183.74 ± 1.14	3.53 ± 0.10	190.80
AS568-264	7.484 ± 0.045	0.139 ± 0.004	7.762	190.09 ± 1.14	3.53 ± 0.10	197.15
AS568-265	7.734 ± 0.045	0.139 ± 0.004	8.012	196.44 ± 1.14	3.53 ± 0.10	203.50
AS568-266	7.984 ± 0.045	0.139 ± 0.004	8.262	202.79 ± 1.14	3.53 ± 0.10	209.85
AS568-267	8.234 ± 0.050	0.139 ± 0.004	8.512	209.14 ± 1.27	3.53 ± 0.10	216.20
AS568-268	8.484 ± 0.050	0.139 ± 0.004	8.762	215.49 ± 1.27	3.53 ± 0.10	222.55
AS568-269	8.734 ± 0.050	0.139 ± 0.004	9.012	221.84 ± 1.27	3.53 ± 0.10	228.90
AS568-270	8.984 ± 0.050	0.139 ± 0.004	9.262	228.19 ± 1.27	3.53 ± 0.10	235.25
AS568-271	9.234 ± 0.055	0.139 ± 0.004	9.512	234.54 ± 1.40	3.53 ± 0.10	241.60
AS568-272	9.484 ± 0.055	0.139 ± 0.004	9.762	240.89 ± 1.40	3.53 ± 0.10	247.95
AS568-273	9.734 ± 0.055	0.139 ± 0.004	10.012	247.24 ± 1.40	3.53 ± 0.10	254.30
AS568-274	9.984 ± 0.055	0.139 ± 0.004	10.262	253.59 ± 1.40	3.53 ± 0.10	260.65
AS568-275	10.484 ± 0.055	0.139 ± 0.004	10.762	266.29 ± 1.40	3.53 ± 0.10	273.35
AS568-276	10.984 ± 0.065	0.139 ± 0.004	11.262	278.99 ± 1.65	3.53 ± 0.10	286.05
AS568-277	11.484 ± 0.065	0.139 ± 0.004	11.762	291.69 ± 1.65	3.53 ± 0.10	298.75
AS568-278	11.984 ± 0.065	0.139 ± 0.004	12.262	304.39 ± 1.65	3.53 ± 0.10	311.45
AS568-279	12.984 ± 0.065	0.139 ± 0.004	13.262	329.79 ± 1.65	3.53 ± 0.10	336.85
AS568-280	13.984 ± 0.065	0.139 ± 0.004	14.262	355.19 ± 1.65	3.53 ± 0.10	362.25
AS568-281	14.984 ± 0.065	0.139 ± 0.004	15.262	380.59 ± 1.65	3.53 ± 0.10	387.65
AS568-282	15.955 ± 0.075	0.139 ± 0.004	16.233	405.26 ± 1.91	3.53 ± 0.10	412.32
AS568-283	16.955 ± 0.080	0.139 ± 0.004	17.233	430.66 ± 2.03	3.53 ± 0.10	437.72
AS568-284	17.955 ± 0.085	0.139 ± 0.004	18.233	456.06 ± 2.16	3.53 ± 0.10	463.12
AS568-309	0.412 ± 0.005	0.210 ± 0.005	0.832	10.46 ± 0.13	5.33 ± 0.13	21.12
AS568-310	0.475 ± 0.005	0.210 ± 0.005	0.895	12.07 ± 0.13	5.33 ± 0.13	22.73
AS568-311	0.537 ± 0.007	0.210 ± 0.005	0.957	13.64 ± 0.18	5.33 ± 0.13	24.30
AS568-312	0.600 ± 0.009	0.210 ± 0.005	1.020	15.24 ± 0.23	5.33 ± 0.13	25.90
AS568-313	0.662 ± 0.009	0.210 ± 0.005	1.082	16.81 ± 0.23	5.33 ± 0.13	27.47
AS568-314	0.725 ± 0.010	0.210 ± 0.005	1.145	18.42 ± 0.25	5.33 ± 0.13	29.08
AS568-315	0.787 ± 0.010	0.210 ± 0.005	1.207	19.99 ± 0.25	5.33 ± 0.13	30.65
AS568-316	0.850 ± 0.010	0.210 ± 0.005	1.270	21.59 ± 0.25	5.33 ± 0.13	32.25
AS568-317	0.912 ± 0.010	0.210 ± 0.005	1.332	23.16 ± 0.25	5.33 ± 0.13	33.82
AS568-318	0.975 ± 0.010	0.210 ± 0.005	1.395	24.77 ± 0.25	5.33 ± 0.13	35.43
AS568-319	1.037 ± 0.010	0.210 ± 0.005	1.457	26.34 ± 0.25	5.33 ± 0.13	37.00
AS568-320	1.100 ± 0.012	0.210 ± 0.005	1.520	27.94 ± 0.30	5.33 ± 0.13	38.60
AS568-321	1.162 ± 0.012	0.210 ± 0.005	1.582	29.51 ± 0.30	5.33 ± 0.13	40.17
AS568-322	1.225 ± 0.012	0.210 ± 0.005	1.645	31.12 ± 0.30	5.33 ± 0.13	41.78
AS568-323	1.287 ± 0.012	0.210 ± 0.005	1.707	32.69 ± 0.30	5.33 ± 0.13	43.35
AS568-324	1.350 ± 0.012	0.210 ± 0.005	1.770	34.29 ± 0.30	5.33 ± 0.13	44.95
AS568-325	1.475 ± 0.015	0.210 ± 0.005	1.895	37.47 ± 0.38	5.33 ± 0.13	48.13
AS568-326	1.600 ± 0.015	0.210 ± 0.005	2.020	40.64 ± 0.38	5.33 ± 0.13	51.30
AS568-327	1.725 ± 0.015	0.210 ± 0.005	2.145	43.82 ± 0.38	5.33 ± 0.13	54.48
AS568-328	1.850 ± 0.015	0.210 ± 0.005	2.270	46.99 ± 0.38	5.33 ± 0.13	57.65
AS568-329	1.975 ± 0.018	0.210 ± 0.005	2.395	50.17 ± 0.46	5.33 ± 0.13	60.83
AS568-330	2.100 ± 0.018	0.210 ± 0.005	2.520	53.34 ± 0.46	5.33 ± 0.13	64.00
AS568-331	2.225 ± 0.018	0.210 ± 0.005	2.645	56.52 ± 0.46	5.33 ± 0.13	67.18
AS568-332	2.350 ± 0.018	0.210 ± 0.005	2.770	59.69 ± 0.46	5.33 ± 0.13	70.35
AS568-333	2.475 ± 0.020	0.210 ± 0.005	2.895	62.87 ± 0.51	5.33 ± 0.13	73.53
AS568-334	2.600 ± 0.020	0.210 ± 0.005	3.020	66.04 ± 0.51	5.33 ± 0.13	76.70
AS568-335	2.725 ± 0.020	0.210 ± 0.005	3.145	69.22 ± 0.51	5.33 ± 0.13	79.88
AS568-336	2.850 ± 0.020	0.210 ± 0.005	3.270	72.39 ± 0.51	5.33 ± 0.13	83.05
AS568-337	2.975 ± 0.024	0.210 ± 0.005	3.395	75.57 ± 0.61	5.33 ± 0.13	86.23
AS568-338	3.100 ± 0.024	0.210 ± 0.005	3.520	78.74 ± 0.61	5.33 ± 0.13	89.40
AS568-339	3.225 ± 0.024	0.210 ± 0.005	3.645	81.92 ± 0.61	5.33 ± 0.13	92.58
AS568-340	3.350 ± 0.024	0.210 ± 0.005	3.770	85.09 ± 0.61	5.33 ± 0.13	95.75
AS568-341	3.475 ± 0.024	0.210 ± 0.005	3.895	88.27 ± 0.61	5.33 ± 0.13	98.93
AS568-342	3.600 ± 0.028	0.210 ± 0.005	4.020	91.44 ± 0.71	5.33 ± 0.13	102.10
AS568-343	3.725 ± 0.028	0.210 ± 0.005	4.145	94.62 ± 0.71	5.33 ± 0.13	105.28
AS568-344	3.850 ± 0.028	0.210 ± 0.005	4.270	97.79 ± 0.71	5.33 ± 0.13	108.45
AS568-345	3.975 ± 0.028	0.210 ± 0.005	4.395	100.97 ± 0.71	5.33 ± 0.13	111.63
AS568-346	4.100 ± 0.028	0.210 ± 0.005	4.520	104.14 ± 0.71	5.33 ± 0.13	114.80
AS568-347	4.225 ± 0.030	0.210 ± 0.005	4.645	107.32 ± 0.76	5.33 ± 0.13	117.98
AS568-348	4.350 ± 0.030	0.210 ± 0.005	4.770	110.49 ± 0.76	5.33 ± 0.13	121.15
AS568-349	4.475 ± 0.030	0.210 ± 0.005	4.895	113.67 ± 0.76	5.33 ± 0.13	124.33
AS568-350	4.600 ± 0.030	0.210 ± 0.005	5.020	116.84 ± 0.76	5.33 ± 0.13	127.50
AS568-351	4.725 ± 0.030	0.210 ± 0.005	5.145	120.02 ± 0.76	5.33 ± 0.13	130.68
AS568-352	4.850 ± 0.030	0.210 ± 0.005	5.270	123.19 ± 0.76	5.33 ± 0.13	133.85
AS568-353	4.975 ± 0.037	0.210 ± 0.005	5.395	126.37 ± 0.94	5.33 ± 0.13	137.03
AS568-354	5.100 ± 0.037	0.210 ± 0.005	5.520	129.54 ± 0.94	5.33 ± 0.13	140.20
AS568-355	5.225 ± 0.037	0.210 ± 0.005	5.645	132.72 ± 0.94	5.33 ± 0.13	143.38
AS568-356	5.350 ± 0.037	0.210 ± 0.005	5.770	135.89 ± 0.94	5.33 ± 0.13	146.55
AS568-357	5.475 ± 0.037	0.210 ± 0.005	5.895	139.07 ± 0.94	5.33 ± 0.13	149.73
AS568-358	5.600 ± 0.037	0.210 ± 0.005	6.020	142.24 ± 0.94	5.33 ± 0.13	152.90
AS568-359	5.725 ± 0.037	0.210 ± 0.005	6.145	145.42 ± 0.94	5.33 ± 0.13	156.08
AS568-360	5.850 ± 0.037	0.210 ± 0.005	6.270	148.59 ± 0.94	5.33 ± 0.13	159.25
AS568-361	5.975 ± 0.037	0.210 ± 0.005	6.395	151.77 ± 0.94	5.33 ± 0.13	162.43
AS568-362	6.225 ± 0.040	0.210 ± 0.005	6.645	158.12 ± 1.02	5.33 ± 0.13	168.78
AS568-363	6.475 ± 0.040	0.210 ± 0.005	6.895	164.47 ± 1.02	5.33 ± 0.13	175.13
AS568-364	6.725 ± 0.040	0.210 ± 0.005	7.145	170.82 ± 1.02	5.33 ± 0.13	181.48
AS568-365	6.975 ± 0.040	0.210 ± 0.005	7.395	177.17 ± 1.02	5.33 ± 0.13	187.83
AS568-366	7.225 ± 0.045	0.210 ± 0.005	7.645	183.52 ± 1.14	5.33 ± 0.13	194.18
AS568-367	7.475 ± 0.045	0.210 ± 0.005	7.895	189.87 ± 1.14	5.33 ± 0.13	200.53
AS568-368	7.725 ± 0.045	0.210 ± 0.005	8.145	196.22 ± 1.14	5.33 ± 0.13	206.88
AS568-369	7.975 ± 0.045	0.210 ± 0.005	8.395	202.57 ± 1.14	5.33 ± 0.13	213.23
AS568-370	8.225 ± 0.050	0.210 ± 0.005	8.645	208.92 ± 1.27	5.33 ± 0.13	219.58
AS568-371	8.475 ± 0.050	0.210 ± 0.005	8.895	215.27 ± 1.27	5.33 ± 0.13	225.93
AS568-372	8.725 ± 0.050	0.210 ± 0.005	9.145	221.62 ± 1.27	5.33 ± 0.13	232.28
AS568-373	8.975 ± 0.050	0.210 ± 0.005	9.395	227.97 ± 1.27	5.33 ± 0.13	238.63
AS568-374	9.225 ± 0.055	0.210 ± 0.005	9.645	234.32 ± 1.40	5.33 ± 0.13	244.98
AS568-375	9.475 ± 0.055	0.210 ± 0.005	9.895	240.67 ± 1.40	5.33 ± 0.13	251.33
AS568-376	9.725 ± 0.055	0.210 ± 0.005	10.145	247.02 ± 1.40	5.33 ± 0.13	257.68
AS568-377	9.975 ± 0.055	0.210 ± 0.005	10.395	253.37 ± 1.40	5.33 ± 0.13	264.03
AS568-378	10.475 ± 0.060	0.210 ± 0.005	10.895	266.07 ± 1.52	5.33 ± 0.13	276.73
AS568-379	10.975 ± 0.060	0.210 ± 0.005	11.395	278.77 ± 1.52	5.33 ± 0.13	289.43
AS568-380	11.475 ± 0.065	0.210 ± 0.005	11.895	291.47 ± 1.65	5.33 ± 0.13	302.13
AS568-381	11.975 ± 0.065	0.210 ± 0.005	12.395	304.17 ± 1.65	5.33 ± 0.13	314.83
AS568-382	12.975 ± 0.065	0.210 ± 0.005	13.395	329.57 ± 1.65	5.33 ± 0.13	340.23
AS568-383	13.975 ± 0.070	0.210 ± 0.005	14.395	354.97 ± 1.78	5.33 ± 0.13	365.63
AS568-384	14.975 ± 0.070	0.210 ± 0.005	15.395	380.37 ± 1.78	5.33 ± 0.13	391.03
AS568-385	15.955 ± 0.075	0.210 ± 0.005	16.375	405.26 ± 1.91	5.33 ± 0.13	415.92
AS568-386	16.955 ± 0.080	0.210 ± 0.005	17.375	430.66 ± 2.03	5.33 ± 0.13	441.32
AS568-387	17.955 ± 0.085	0.210 ± 0.005	18.375	456.06 ± 2.16	5.33 ± 0.13	466.72
AS568-388	18.955 ± 0.090	0.210 ± 0.005	19.375	481.46 ± 2.29	5.33 ± 0.13	492.12
AS568-389	19.955 ± 0.095	0.210 ± 0.005	20.375	506.86 ± 2.41	5.33 ± 0.13	517.52
AS568-390	20.955 ± 0.095	0.210 ± 0.005	21.375	532.26 ± 2.41	5.33 ± 0.13	542.92
AS568-391	21.955 ± 0.100	0.210 ± 0.005	22.375	557.66 ± 2.54	5.33 ± 0.13	568.32
AS568-392	22.940 ± 0.105	0.210 ± 0.005	23.360	582.68 ± 2.67	5.33 ± 0.13	593.34
AS568-393	23.940 ± 0.110	0.210 ± 0.005	24.360	608.08 ± 2.79	5.33 ± 0.13	618.74
AS568-394	24.940 ± 0.115	0.210 ± 0.005	25.360	633.48 ± 2.92	5.33 ± 0.13	644.14
AS568-395	25.940 ± 0.120	0.210 ± 0.005	26.360	658.88 ± 3.05	5.33 ± 0.13	669.54
AS568-425	4.475 ± 0.033	0.275 ± 0.006	5.025	113.67 ± 0.84	6.99 ± 0.15	127.65
AS568-426	4.600 ± 0.033	0.275 ± 0.006	5.150	116.84 ± 0.84	6.99 ± 0.15	130.82
AS568-427	4.725 ± 0.033	0.275 ± 0.006	5.275	120.02 ± 0.84	6.99 ± 0.15	134.00
AS568-428	4.850 ± 0.033	0.275 ± 0.006	5.400	123.19 ± 0.84	6.99 ± 0.15	137.17
AS568-429	4.975 ± 0.037	0.275 ± 0.006	5.525	126.37 ± 0.94	6.99 ± 0.15	140.35
AS568-430	5.100 ± 0.037	0.275 ± 0.006	5.650	129.54 ± 0.94	6.99 ± 0.15	143.52
AS568-431	5.225 ± 0.037	0.275 ± 0.006	5.775	132.72 ± 0.94	6.99 ± 0.15	146.70
AS568-432	5.350 ± 0.037	0.275 ± 0.006	5.900	135.89 ± 0.94	6.99 ± 0.15	149.87
AS568-433	5.475 ± 0.037	0.275 ± 0.006	6.025	139.07 ± 0.94	6.99 ± 0.15	153.05
AS568-434	5.600 ± 0.037	0.275 ± 0.006	6.150	142.24 ± 0.94	6.99 ± 0.15	156.22
AS568-435	5.725 ± 0.037	0.275 ± 0.006	6.275	145.42 ± 0.94	6.99 ± 0.15	159.40
AS568-436	5.850 ± 0.037	0.275 ± 0.006	6.400	148.59 ± 0.94	6.99 ± 0.15	162.57
AS568-437	5.975 ± 0.037	0.275 ± 0.006	6.525	151.77 ± 0.94	6.99 ± 0.15	165.75
AS568-438	6.225 ± 0.040	0.275 ± 0.006	6.775	158.12 ± 1.02	6.99 ± 0.15	172.10
AS568-439	6.475 ± 0.040	0.275 ± 0.006	7.025	164.47 ± 1.02	6.99 ± 0.15	178.45
AS568-440	6.725 ± 0.040	0.275 ± 0.006	7.275	170.82 ± 1.02	6.99 ± 0.15	184.80
AS568-441	6.975 ± 0.040	0.275 ± 0.006	7.525	177.17 ± 1.02	6.99 ± 0.15	191.15
AS568-442	7.225 ± 0.045	0.275 ± 0.006	7.775	183.52 ± 1.14	6.99 ± 0.15	197.50
AS568-443	7.475 ± 0.045	0.275 ± 0.006	8.025	189.87 ± 1.14	6.99 ± 0.15	203.85
AS568-444	7.725 ± 0.045	0.275 ± 0.006	8.275	196.22 ± 1.14	6.99 ± 0.15	210.20
AS568-445	7.975 ± 0.045	0.275 ± 0.006	8.525	202.57 ± 1.14	6.99 ± 0.15	216.55
AS568-446	8.475 ± 0.055	0.275 ± 0.006	9.025	215.27 ± 1.40	6.99 ± 0.15	229.25
AS568-447	8.975 ± 0.055	0.275 ± 0.006	9.525	227.97 ± 1.40	6.99 ± 0.15	241.95
AS568-448	9.475 ± 0.055	0.275 ± 0.006	10.025	240.67 ± 1.40	6.99 ± 0.15	254.65
AS568-449	9.975 ± 0.055	0.275 ± 0.006	10.525	253.37 ± 1.40	6.99 ± 0.15	267.35
AS568-450	10.475 ± 0.060	0.275 ± 0.006	11.025	266.07 ± 1.52	6.99 ± 0.15	280.05
AS568-451	10.975 ± 0.060	0.275 ± 0.006	11.525	278.77 ± 1.52	6.99 ± 0.15	292.75
AS568-452	11.475 ± 0.060	0.275 ± 0.006	12.025	291.47 ± 1.52	6.99 ± 0.15	305.45
AS568-453	11.975 ± 0.060	0.275 ± 0.006	12.525	304.17 ± 1.52	6.99 ± 0.15	318.15
AS568-454	12.475 ± 0.060	0.275 ± 0.006	13.025	316.87 ± 1.52	6.99 ± 0.15	330.85
AS568-455	12.975 ± 0.060	0.275 ± 0.006	13.525	329.57 ± 1.52	6.99 ± 0.15	343.55
AS568-456	13.475 ± 0.070	0.275 ± 0.006	14.025	342.27 ± 1.78	6.99 ± 0.15	356.25
AS568-457	13.975 ± 0.070	0.275 ± 0.006	14.525	354.97 ± 1.78	6.99 ± 0.15	368.95
AS568-458	14.475 ± 0.070	0.275 ± 0.006	15.025	367.67 ± 1.78	6.99 ± 0.15	381.65
AS568-459	14.975 ± 0.070	0.275 ± 0.006	15.525	380.37 ± 1.78	6.99 ± 0.15	394.35
AS568-460	15.475 ± 0.070	0.275 ± 0.006	16.025	393.07 ± 1.78	6.99 ± 0.15	407.05
AS568-461	15.955 ± 0.075	0.275 ± 0.006	16.505	405.26 ± 1.91	6.99 ± 0.15	419.24
AS568-462	16.455 ± 0.075	0.275 ± 0.006	17.005	417.96 ± 1.91	6.99 ± 0.15	431.94
AS568-463	16.955 ± 0.080	0.275 ± 0.006	17.505	430.66 ± 2.03	6.99 ± 0.15	444.64
AS568-464	17.455 ± 0.085	0.275 ± 0.006	18.005	443.36 ± 2.16	6.99 ± 0.15	457.34
AS568-465	17.955 ± 0.085	0.275 ± 0.006	18.505	456.06 ± 2.16	6.99 ± 0.15	470.04
AS568-466	18.455 ± 0.085	0.275 ± 0.006	19.005	468.76 ± 2.16	6.99 ± 0.15	482.74
AS568-467	18.955 ± 0.090	0.275 ± 0.006	19.505	481.46 ± 2.29	6.99 ± 0.15	495.44
AS568-468	19.455 ± 0.090	0.275 ± 0.006	20.005	494.16 ± 2.29	6.99 ± 0.15	508.14
AS568-469	19.955 ± 0.095	0.275 ± 0.006	20.505	506.86 ± 2.41	6.99 ± 0.15	520.84
AS568-470	20.955 ± 0.095	0.275 ± 0.006	21.505	532.26 ± 2.41	6.99 ± 0.15	546.24
AS568-471	21.955 ± 0.100	0.275 ± 0.006	22.505	557.66 ± 2.54	6.99 ± 0.15	571.64
AS568-472	22.940 ± 0.105	0.275 ± 0.006	23.490	582.68 ± 2.67	6.99 ± 0.15	596.66
AS568-473	23.940 ± 0.110	0.275 ± 0.006	24.490	608.08 ± 2.79	6.99 ± 0.15	622.06
AS568-474	24.940 ± 0.115	0.275 ± 0.006	25.490	633.48 ± 2.92	6.99 ± 0.15	647.46
AS568-475	25.940 ± 0.120	0.275 ± 0.006	26.490	658.88 ± 3.05	6.99 ± 0.15	672.86
AS568-901	0.185 ± 0.005	0.056 ± 0.003	0.297	4.70 ± 0.13	1.42 ± 0.08	7.54
AS568-902	0.239 ± 0.005	0.064 ± 0.003	0.367	6.07 ± 0.13	1.63 ± 0.08	9.33
AS568-903	0.301 ± 0.005	0.064 ± 0.003	0.429	7.65 ± 0.13	1.63 ± 0.08	10.91
AS568-904	0.351 ± 0.005	0.072 ± 0.003	0.495	8.92 ± 0.13	1.83 ± 0.08	12.58
AS568-905	0.414 ± 0.005	0.072 ± 0.003	0.558	10.52 ± 0.13	1.83 ± 0.08	14.18
AS568-906	0.468 ± 0.005	0.078 ± 0.003	0.624	11.89 ± 0.13	1.98 ± 0.08	15.85
AS568-907	0.530 ± 0.007	0.082 ± 0.003	0.694	13.46 ± 0.18	2.08 ± 0.08	17.62
AS568-908	0.644 ± 0.009	0.087 ± 0.003	0.818	16.36 ± 0.23	2.21 ± 0.08	20.78
AS568-909	0.706 ± 0.009	0.097 ± 0.003	0.900	17.93 ± 0.23	2.46 ± 0.08	22.85
AS568-910	0.755 ± 0.009	0.097 ± 0.003	0.949	19.18 ± 0.23	2.46 ± 0.08	24.10
AS568-911	0.863 ± 0.009	0.116 ± 0.004	1.095	21.92 ± 0.23	2.95 ± 0.10	27.82
AS568-912	0.924 ± 0.009	0.116 ± 0.004	1.156	23.47 ± 0.23	2.95 ± 0.10	29.37
AS568-913	0.986 ± 0.010	0.116 ± 0.004	1.218	25.04 ± 0.25	2.95 ± 0.10	30.94
AS568-914	1.047 ± 0.010	0.116 ± 0.004	1.279	26.59 ± 0.25	2.95 ± 0.10	32.49
AS568-916	1.171 ± 0.010	0.116 ± 0.004	1.403	29.74 ± 0.25	2.95 ± 0.10	35.64
AS568-918	1.355 ± 0.012	0.116 ± 0.004	1.587	34.42 ± 0.30	2.95 ± 0.10	40.32
AS568-920	1.475 ± 0.014	0.118 ± 0.004	1.711	37.47 ± 0.36	3.00 ± 0.10	43.47
AS568-924	1.720 ± 0.014	0.118 ± 0.004	1.956	43.69 ± 0.36	3.00 ± 0.10	49.69
AS568-928	2.090 ± 0.018	0.118 ± 0.004	2.326	53.09 ± 0.46	3.00 ± 0.10	59.09
AS568-932	2.337 ± 0.018	0.118 ± 0.004	2.573	59.36 ± 0.46	3.00 ± 0.10	65.36

OD is calculated as ID + 2 × CS. Dimensions follow SAE AS568; confirm the edition and tolerance class specified on your drawing. A standard size does not define the compound, hardness or groove: state those separately.

Need these sizes in FKM, FFKM, EPDM, HNBR or a non-standard dimension? Send the dash number or dimensions with the material requirement.

Request an O-ring quotation

01 / O-Ring Size Chart

Identify dimensions and the size reference

Record the inside diameter (ID) and circular cross-section diameter (CS), with units and tolerances. If the drawing uses ISO 3601-1 or SAE AS568, include the complete size designation and specified edition. If the series is unknown, send the drawing or original reference and the measured sample information for review.

02 / O-Ring Size Chart

Keep the part and installation dimensions together

A replacement request needs the size reference and the geometry where the seal works.

Dimensions and records for an O-ring request
Input	Information to provide
Identity	Part reference, drawing revision and size designation if known
Units and dimensions	ID, CS, units, tolerances and measurement method
Sample state	New or used, free or installed, damage and available reference sample
Groove and mating parts	Groove dimensions, mating diameter, gap and tolerances
Installation	Stretch, compression direction, assembly and static or moving duty
Material	Specified compound, hardness scale and material requirements
Service	Actual media, temperature, pressure history and quantity

03 / O-Ring Size Chart

Read a simple dimensional example

For an undeformed circular O-ring, the nominal outside diameter is ID + 2 × CS. An illustrative ID of 20.0 mm and CS of 2.0 mm gives 24.0 mm outside diameter. These are assumed dimensions to explain the notation; they do not identify a standard size code, tolerance or approved groove.

04 / O-Ring Size Chart

Review the groove and material separately

Confirm the installed geometry using the actual drawing limits, including compression, stretch and clearance. Keep material selection separate from size identification: a metric dimension or dash number does not specify a compound or brand. A used sample may need comparison with the original drawing before dimensions are agreed.

05 / O-Ring Size Chart

Send the specification for review

Include the drawing, size reference, material, quantity and acceptance requirements. Agree sample inspection and assembly evaluation before adopting a replacement. Where dimensions or the reference series are missing, mark them as unknown and identify who will confirm them.

From your requirements to a component review

Discuss the Specification

Send your drawing or describe the application. Include service conditions, material requirements and quantity.

Send Project Requirements