AS 568 O-Rings from PAI

Explore our AS-568 & Extended Standard Size O-Rings including our new 5/32" Nominal Cross Section O-Rings. Precision Associates' O-Rings are available off the shelf in several standard compounds. Or try O-Rings in one of 1,200+ specialty materials in 20 polymer groups, including Viton®, AFLAS®, EPDM, Nitrile, HNBR (HSN), XNBR, Neoprene®, Butyl, XNBR, Silicone, Fluorosilicone, Perfluoroelastomer, Urethane, Hypalon®, and Hydrin®.
Click here to view our 48 page (5Mb) Catalog illustrated with full-size drawings of Standard Size O-Rings plus Dimensions and Tolerances.

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Item #	C/S (inches)	C/S Tol +/-	I.D. (inches)	I.D. Tol +/-	O.D. (REF) (inches)	Nominal C/S (inches)	Nominal I.D. (inches)	Nominal O.D. (inches)	Metric C/S (mm)	Metric I.D. (mm)	Metric O.D. (mm)

1-001	N/A .040	N/A .003	N/A .029	N/A .004	N/A .109	N/A 1/32	N/A 1/32	N/A 3/32	N/A 1.0	N/A 0.7	N/A 2.8
40-70	N/A .040	N/A .003	N/A .070	N/A .005	N/A .150	N/A 1/32	N/A 5/64	N/A 9/64	N/A 1.0	N/A 1.8	N/A 3.8
1-002	N/A .050	N/A .003	N/A .042	N/A .004	N/A .142	N/A 3/64	N/A 3/64	N/A 9/64	N/A 1.3	N/A 1.1	N/A 3.6
1-003	N/A .060	N/A .003	N/A .056	N/A .004	N/A .176	N/A 1/16	N/A 1/16	N/A 11/64	N/A 1.5	N/A 1.4	N/A 4.5
1-004	N/A .070	N/A .003	N/A .070	N/A .005	N/A .210	N/A 1/16	N/A 5/64	N/A 13/64	N/A 1.8	N/A 1.8	N/A 5.3
1-005	N/A .070	N/A .003	N/A .101	N/A .005	N/A .241	N/A 1/16	N/A 7/64	N/A 15/64	N/A 1.8	N/A 2.6	N/A 6.1
1-006	N/A .070	N/A .003	N/A .114	N/A .005	N/A .254	N/A 1/16	N/A 1/8	N/A 1/4	N/A 1.8	N/A 2.9	N/A 6.5
1-102	N/A .103	N/A .003	N/A .050	N/A .005	N/A .256	N/A 3/32	N/A 1/16	N/A 1/4	N/A 2.6	N/A 1.3	N/A 6.5
1-103	N/A .103	N/A .003	N/A .081	N/A .005	N/A .287	N/A 3/32	N/A 3/32	N/A 9/32	N/A 2.6	N/A 2.1	N/A 7.3
1-007	N/A .070	N/A .003	N/A .145	N/A .005	N/A .285	N/A 1/16	N/A 5/32	N/A 9/32	N/A 1.8	N/A 3.7	N/A 7.2
1-008	N/A .070	N/A .003	N/A .176	N/A .005	N/A .316	N/A 1/16	N/A 3/16	N/A 5/16	N/A 1.8	N/A 4.5	N/A 8.0
1-104	N/A .103	N/A .003	N/A .112	N/A .005	N/A .318	N/A 3/32	N/A 1/8	N/A 5/16	N/A 2.6	N/A 2.8	N/A 8.1
1-105	N/A .103	N/A .003	N/A .143	N/A .005	N/A .349	N/A 3/32	N/A 5/32	N/A 11/32	N/A 2.6	N/A 3.6	N/A 8.9
1-009	N/A .070	N/A .003	N/A .208	N/A .005	N/A .348	N/A 1/16	N/A 7/32	N/A 11/32	N/A 1.8	N/A 5.3	N/A 8.8
1-010	N/A .070	N/A .003	N/A .239	N/A .005	N/A .379	N/A 1/16	N/A 1/4	N/A 3/8	N/A 1.8	N/A 6.1	N/A 9.6
1-106	N/A .103	N/A .003	N/A .175	N/A .005	N/A .381	N/A 3/32	N/A 3/16	N/A 3/8	N/A 2.6	N/A 4.4	N/A 9.7
1-107	N/A .103	N/A .003	N/A .206	N/A .005	N/A .412	N/A 3/32	N/A 7/32	N/A 13/32	N/A 2.6	N/A 5.2	N/A 10.5
1-108	N/A .103	N/A .003	N/A .237	N/A .005	N/A .443	N/A 3/32	N/A 1/4	N/A 7/16	N/A 2.6	N/A 6	N/A 11.3
1-011	N/A .070	N/A .003	N/A .301	N/A .005	N/A .441	N/A 1/16	N/A 5/16	N/A 7/16	N/A 1.8	N/A 7.6	N/A 11.2
1-201	N/A .139	N/A .004	N/A .171	N/A .005	N/A .449	N/A 1/8	N/A 3/16	N/A 7/16	N/A 3.5	N/A 4.3	N/A 11.4
1-202	N/A .139	N/A .004	N/A .234	N/A .005	N/A .512	N/A 1/8	N/A 1/4	N/A 1/2	N/A 3.5	N/A 5.9	N/A 13.0
1-012	N/A .070	N/A .003	N/A .364	N/A .005	N/A .504	N/A 1/16	N/A 3/8	N/A 1/2	N/A 1.8	N/A 9.2	N/A 12.8
1-109	N/A .103	N/A .003	N/A .299	N/A .005	N/A .505	N/A 3/32	N/A 5/16	N/A 1/2	N/A 2.6	N/A 7.6	N/A 12.8
1-110	N/A .103	N/A .003	N/A .362	N/A .005	N/A .568	N/A 3/32	N/A 3/8	N/A 9/16	N/A 2.6	N/A 9.2	N/A 14.4
1-013	N/A .070	N/A .003	N/A .426	N/A .005	N/A .566	N/A 1/16	N/A 7/16	N/A 9/16	N/A 1.8	N/A 10.8	N/A 14.4

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