Standard AS568 O-Ring -141 thru -178 – Continental International

AS568 No.	Nominal Reference			Actual Dimensions
AS568 No.	I.D.	O.D.	Width	I.D. Tolerance	Width Tolerance
-141	2 5/16	2 1/2	3/32	2.300 ± .020	.103 ± .003
-142	2 3/8	2 9/16	3/32	2.362 ± .020	.103 ± .003
-143	2 7/16	2 5/8	3/32	2.425± .020	.103 ± .003
-144	2 1/2	2 11/16	3/32	2.487 ± .020	.103 ± .003
-145	2 9/16	2 3/4	3/32	2.550 ± .020	.103 ± .003
-146	2 5/8	2 13/16	3/32	2.612 ± .020	.103 ± .003
-147	2 11/16	2 7/8	3/32	2.675 ± .022	.103 ± .003
-148	2 3/4	2 15/16	3/32	2.737 ± .022	.103 ± .003
-149	2 13/16	3	3/32	2.800 ± .022	.103 ± .003
-150	2 7/8	3 1/16	3/32	2.862 ± .022	.103 ± .003
-151	3	3 3/16	3/32	2.987 ± .024	.103 ± .003
-152	3 1/4	3 7/16	3/32	3.237 ± .024	.103 ± .003
-153	3 1/2	3 11/16	3/32	3.487 ± .024	.103 ± .003
-154	3 3/4	3 15/16	3/32	3.737 ± .028	.103 ± .003
-155	4	4 3/16	3/32	3.987 ± .028	.103 ± .003
-156	4 1/4	4 7/16	3/32	4.237 ± .030	.103 ± .003
-157	4 1/2	4 11/16	3/32	4.487 ± .030	.103 ± .003
-158	4 3/4	4 15/16	3/32	4.737 ± .030	.103 ± .003
-159	5	5 3/16	3/32	4.987 ± .035	.103 ± .003
-160	5 1/4	5 7/16	3/32	5.237 ± .035	.103 ± .003
-161	5 1/2	5 11/16	3/32	5.487 ± .035	.103 ± .003
-162	5 3/4	5 15/16	3/32	5.737 ± .035	.103 ± .003
-163	6	6 3/16	3/32	5.987 ± .035	.103 ± .003
-164	6 1/4	6 7/16	3/32	6.237 ± .040	.103 ± .003
-165	6 1/2	6 11/16	3/32	6.487 ± .040	.103 ± .003
-166	6 3/4	6 15/16	3/32	6.737 ± .040	.103 ± .003
-167	7	7 3/16	3/32	6.987 ± .040	.103 ± .003
-168	7 1/4	7 7/16	3/32	7.237 ± .045	.103 ± .003
-169	7 1/2	7 11/16	3/32	7.487 ± .045	.103 ± .003
-170	7 3/4	7 15/16	3/32	7.737 ± .045	.103 ± .003
-171	8	8 3/16	3/32	7.987 ± .045	.103 ± .003
-172	8 1/4	8 7/16	3/32	8.237 ± .050	.103 ± .003
-173	8 1/2	8 11/16	3/32	8.487 ± .050	.103 ± .003
-174	8 3/4	8 15/16	3/32	8.737 ± .050	.103 ± .003
-175	9	9 3/16	3/32	8.987 ± .050	.103 ± .003
-176	9 1/4	9 7/16	3/32	9.237 ± .055	.103 ± .003
-177	9 1/2	9 11/16	3/32	9.487 ± .055	.103 ± .003
-178	9 3/4	9 15/16	3/32	9.737 ± .055	.103 ± .003