Buna-N 70 Durometer O-Rings

• O-Ring Sizing Chart (PDF)
• O-Ring Material Guide (PDF)

Master Item #	Actual Size I.D. (in)	Actual Size I.D. (mm)	Actual Size I.D. Tolerance (in)	Actual Size I.D. Tolerance (mm)	Actual Size W. (in)	Actual Size W. (mm)	Actual Size W. Tolerance (in)	Actual Size W. Tolerance (mm)
AS 568A-902	0.239	6.07	±.005	±0.13	0.064	1.63	±.003	±0.08
AS 568A-903	0.301	7.65	±.005	±0.13	0.064	1.63	±.003	±0.08
AS 568A-904	0.351	8.92	±.005	±0.13	0.072	1.83	±.003	±0.08
AS 568A-905	0.414	10.52	±.005	±0.13	0.072	1.83	±.003	±0.08
AS 568A-906	0.468	11.89	±.005	±0.13	0.078	1.98	±.003	±0.08
AS 568A-907	0.53	13.46	±.007	±0.18	0.082	2.08	±.003	±0.08
AS 568A-908	0.644	16.36	±.009	±0.23	0.087	2.21	±.003	±0.08
AS 568A-909	0.706	17.93	±.009	±0.23	0.097	2.46	±.003	±0.08
AS 568A-910	0.755	19.18	±.009	±0.23	0.097	2.46	±.003	±0.08
AS 568A-911	0.863	21.92	±.009	±0.23	0.116	2.95	±.004	±0.10
AS 568A-912	0.924	23.47	±.009	±0.23	0.116	2.95	±.004	±0.10
AS 568A-913	0.986	25.04	±.010	±0.26	0.116	2.95	±.004	±0.10
AS 568A-914	1.047	26.59	±.010	±0.26	0.116	2.95	±.004	±0.10
AS 568A-916	1.171	29.74	±.010	±0.26	0.116	2.95	±.004	±0.10
AS 568A-918	1.355	34.42	±.012	±0.30	0.116	2.95	±.004	±0.10
AS 568A-920	1.475	37.47	±.014	±0.36	0.116	3	±.004	±0.10
AS 568A-924	1.72	43.69	±.014	±0.36	0.116	3	±.004	±0.10
AS 568A-928	2.09	53.09	±.018	±0.46	0.116	3	±.004	±0.10
AS 568A-932	2.337	59.36	±.018	±0.46	0.116	3	±.004	±0.10