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-452	11.475	291.47	±.060	±1.52	0.275	6.99	±.006	±0.15
AS 568A-453	11.975	304.17	±.060	±1.52	0.275	6.99	±.006	±0.15
AS 568A-454	12.475	316.87	±.060	±1.52	0.275	6.99	±.006	±0.15
AS 568A-455	12.975	329.57	±.060	±1.52	0.275	6.99	±.006	±0.15
AS 568A-456	13.457	342.27	±.070	±1.78	0.275	6.99	±.006	±0.15
AS 568A-457	13.975	354.97	±.070	±1.78	0.275	6.99	±.006	±0.15
AS 568A-458	14.475	367.67	±.070	±1.78	0.275	6.99	±.006	±0.15
AS 568A-459	14.975	380.37	±.070	±1.78	0.275	6.99	±.006	±0.15
AS 568A-460	15.475	393.07	±.070	±1.78	0.275	6.99	±.006	±0.15
AS 568A-461	15.955	405.26	±.075	±1.91	0.275	6.99	±.006	±0.15
AS 568A-462	16.455	417.96	±.075	±1.91	0.275	6.99	±.006	±0.15
AS 568A-463	16.955	430.66	±.080	±2.03	0.275	6.99	±.006	±0.15
AS 568A-464	17.455	443.36	±.085	±2.16	0.275	6.99	±.006	±0.15
AS 568A-465	17.955	456.06	±.085	±2.16	0.275	6.99	±.006	±0.15
AS 568A-466	18.455	468.76	±.085	±2.16	0.275	6.99	±.006	±0.15
AS 568A-467	18.955	481.46	±.090	±2.29	0.275	6.99	±.006	±0.15
AS 568A-468	19.455	494.16	±.090	±2.29	0.275	6.99	±.006	±0.15
AS 568A-469	19.955	506.86	±.095	±2.41	0.275	6.99	±.006	±0.15
AS 568A-470	20.955	532.26	±.095	±2.41	0.275	6.99	±.006	±0.15
AS 568A-471	21.955	557.66	±.100	±2.54	0.275	6.99	±.006	±0.15
AS 568A-472	22.94	582.68	±.105	±2.67	0.275	6.99	±.006	±0.15
AS 568A-473	23.94	608.08	±.110	±2.79	0.275	6.99	±.006	±0.15
AS 568A-474	24.94	633.48	±.115	±2.92	0.275	6.99	±.006	±0.15
AS 568A-475	25.94	658.88	±.120	±3.05	0.275	6.99	±.006	±0.15
AS 568A-901	0.185	4.7	±.005	±0.13	0.056	1.42	±.003	±0.08