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 (5Mb) Catalog illustrated with full-size drawings of Standard Size O-Rings plus Dimensions and Tolerances.

Item #	C/S (inches)	C/S Tolerance (±)	I.D. (inches)	I.D. Tolerance (±)	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)
1-461	N/A 0.275	N/A 0.006	N/A 15.955	N/A 0.075	N/A 16.505	N/A 1/4	N/A 16	N/A 16 1/2	N/A 7.0	N/A 405.3	N/A 419.2
1-462	N/A 0.275	N/A 0.006	N/A 16.455	N/A 0.075	N/A 17.005	N/A 1/4	N/A 16 1/2	N/A 17	N/A 7.0	N/A 418.0	N/A 431.9
1-463	N/A 0.275	N/A 0.006	N/A 16.955	N/A 0.080	N/A 17.505	N/A 1/4	N/A 17	N/A 17 1/2	N/A 7.0	N/A 430.7	N/A 444.6
1-464	N/A 0.275	N/A 0.006	N/A 17.455	N/A 0.085	N/A 18.005	N/A 1/4	N/A 17 1/2	N/A 18	N/A 7.0	N/A 443.4	N/A 457.3
1-465	N/A 0.275	N/A 0.006	N/A 17.955	N/A 0.085	N/A 18.505	N/A 1/4	N/A 18	N/A 18 1/2	N/A 7.0	N/A 456.1	N/A 470.0
1-466	N/A 0.275	N/A 0.006	N/A 18.455	N/A 0.085	N/A 19.005	N/A 1/4	N/A 18 1/2	N/A 19	N/A 7.0	N/A 468.8	N/A 482.7
1-467	N/A 0.275	N/A 0.006	N/A 18.955	N/A 0.090	N/A 19.505	N/A 1/4	N/A 19	N/A 19 1/2	N/A 7.0	N/A 481.5	N/A 495.4
1-468	N/A 0.275	N/A 0.006	N/A 19.455	N/A 0.090	N/A 20.005	N/A 1/4	N/A 19 1/2	N/A 20	N/A 7.0	N/A 494.2	N/A 508.1
1-469	N/A 0.275	N/A 0.006	N/A 19.955	N/A 0.095	N/A 20.505	N/A 1/4	N/A 20	N/A 20 1/2	N/A 7.0	N/A 506.9	N/A 520.8
1-470	N/A 0.275	N/A 0.006	N/A 20.955	N/A 0.095	N/A 21.505	N/A 1/4	N/A 21	N/A 21 1/2	N/A 7.0	N/A 532.3	N/A 546.2
1-471	N/A 0.275	N/A 0.006	N/A 21.955	N/A 0.100	N/A 22.505	N/A 1/4	N/A 22	N/A 22 1/2	N/A 7.0	N/A 557.7	N/A 571.6
1-472	N/A 0.275	N/A 0.006	N/A 22.940	N/A 0.105	N/A 23.490	N/A 1/4	N/A 23	N/A 23 1/2	N/A 7.0	N/A 582.7	N/A 596.6
1-473	N/A 0.275	N/A 0.006	N/A 23.940	N/A 0.110	N/A 24.490	N/A 1/4	N/A 24	N/A 24 1/2	N/A 7.0	N/A 608.1	N/A 622.0
1-474	N/A 0.275	N/A 0.006	N/A 24.940	N/A 0.115	N/A 25.490	N/A 1/4	N/A 25	N/A 25 1/2	N/A 7.0	N/A 633.5	N/A 647.4
1-475	N/A 0.275	N/A 0.006	N/A 25.940	N/A 0.120	N/A 26.490	N/A 1/4	N/A 26	N/A 26 1/2	N/A 7.0	N/A 658.9	N/A 672.8
1-476	N/A 0.275	N/A 0.006	N/A 26.955	N/A 0.120	N/A 27.505	N/A 1/4	N/A 27	N/A 27 1/2	N/A 7.0	N/A 684.7	N/A 698.6
1-901	N/A 0.056	N/A 0.003	N/A 0.185	N/A 0.005	N/A 0.297	N/A	N/A	N/A	N/A 1.4	N/A 4.7	N/A 7.5
1-902	N/A 0.064	N/A 0.003	N/A 0.239	N/A 0.005	N/A 0.367	N/A	N/A	N/A	N/A 1.6	N/A 6.1	N/A 9.3
1-903	N/A 0.064	N/A 0.003	N/A 0.301	N/A 0.005	N/A 0.429	N/A	N/A	N/A	N/A 1.6	N/A 7.6	N/A 10.9
1-904	N/A 0.072	N/A 0.003	N/A 0.351	N/A 0.005	N/A 0.495	N/A	N/A	N/A	N/A 1.8	N/A 8.9	N/A 12.6
1-905	N/A 0.072	N/A 0.003	N/A 0.414	N/A 0.005	N/A 0.558	N/A	N/A	N/A	N/A 1.8	N/A 10.5	N/A 14.2
1-906	N/A 0.078	N/A 0.003	N/A 0.468	N/A 0.005	N/A 0.624	N/A	N/A	N/A	N/A 2.0	N/A 11.9	N/A 15.8
1-907	N/A 0.082	N/A 0.003	N/A 0.530	N/A 0.005	N/A 0.694	N/A	N/A	N/A	N/A 2.1	N/A 13.5	N/A 17.6
1-908	N/A 0.087	N/A 0.003	N/A 0.644	N/A 0.009	N/A 0.818	N/A	N/A	N/A	N/A 2.2	N/A 16.4	N/A 20.8
1-909	N/A 0.097	N/A 0.003	N/A 0.706	N/A 0.009	N/A 0.900	N/A	N/A	N/A	N/A 2.5	N/A 17.9	N/A 22.9

1-461

N/A 0.275

N/A 0.006

N/A 15.955

N/A 0.075

N/A 16.505

N/A 1/4

N/A 16

N/A 16 1/2

N/A 7.0

N/A 405.3

N/A 419.2

1-462

N/A 0.275

N/A 0.006

N/A 16.455

N/A 0.075

N/A 17.005

N/A 1/4

N/A 16 1/2

N/A 17

N/A 7.0

N/A 418.0

N/A 431.9

1-463

N/A 0.275

N/A 0.006

N/A 16.955

N/A 0.080

N/A 17.505

N/A 1/4

N/A 17

N/A 17 1/2

N/A 7.0

N/A 430.7

N/A 444.6

1-464

N/A 0.275

N/A 0.006

N/A 17.455

N/A 0.085

N/A 18.005

N/A 1/4

N/A 17 1/2

N/A 18

N/A 7.0

N/A 443.4

N/A 457.3

1-465

N/A 0.275

N/A 0.006

N/A 17.955

N/A 0.085

N/A 18.505

N/A 1/4

N/A 18

N/A 18 1/2

N/A 7.0

N/A 456.1

N/A 470.0

1-466

N/A 0.275

N/A 0.006

N/A 18.455

N/A 0.085

N/A 19.005

N/A 1/4

N/A 18 1/2

N/A 19

N/A 7.0

N/A 468.8

N/A 482.7

1-467

N/A 0.275

N/A 0.006

N/A 18.955

N/A 0.090

N/A 19.505

N/A 1/4

N/A 19

N/A 19 1/2

N/A 7.0

N/A 481.5

N/A 495.4

1-468

N/A 0.275

N/A 0.006

N/A 19.455

N/A 0.090

N/A 20.005

N/A 1/4

N/A 19 1/2

N/A 20

N/A 7.0

N/A 494.2

N/A 508.1

1-469

N/A 0.275

N/A 0.006

N/A 19.955

N/A 0.095

N/A 20.505

N/A 1/4

N/A 20

N/A 20 1/2

N/A 7.0

N/A 506.9

N/A 520.8

1-470

N/A 0.275

N/A 0.006

N/A 20.955

N/A 0.095

N/A 21.505

N/A 1/4

N/A 21

N/A 21 1/2

N/A 7.0

N/A 532.3

N/A 546.2

1-471

N/A 0.275

N/A 0.006

N/A 21.955

N/A 0.100

N/A 22.505

N/A 1/4

N/A 22

N/A 22 1/2

N/A 7.0

N/A 557.7

N/A 571.6

1-472

N/A 0.275

N/A 0.006

N/A 22.940

N/A 0.105

N/A 23.490

N/A 1/4

N/A 23

N/A 23 1/2

N/A 7.0

N/A 582.7

N/A 596.6

1-473

N/A 0.275

N/A 0.006

N/A 23.940

N/A 0.110

N/A 24.490

N/A 1/4

N/A 24

N/A 24 1/2

N/A 7.0

N/A 608.1

N/A 622.0

1-474

N/A 0.275

N/A 0.006

N/A 24.940

N/A 0.115

N/A 25.490

N/A 1/4

N/A 25

N/A 25 1/2

N/A 7.0

N/A 633.5

N/A 647.4

1-475

N/A 0.275

N/A 0.006

N/A 25.940

N/A 0.120

N/A 26.490

N/A 1/4

N/A 26

N/A 26 1/2

N/A 7.0

N/A 658.9

N/A 672.8

1-476

N/A 0.275

N/A 0.006

N/A 26.955

N/A 0.120

N/A 27.505

N/A 1/4

N/A 27

N/A 27 1/2

N/A 7.0

N/A 684.7

N/A 698.6

1-901

N/A 0.056

N/A 0.003

N/A 0.185

N/A 0.005

N/A 0.297

N/A

N/A 1.4

N/A 4.7

N/A 7.5

1-902

N/A 0.064

N/A 0.003

N/A 0.239

N/A 0.005

N/A 0.367

N/A

N/A 1.6

N/A 6.1

N/A 9.3

1-903

N/A 0.064

N/A 0.003

N/A 0.301

N/A 0.005

N/A 0.429

N/A

N/A 1.6

N/A 7.6

N/A 10.9

1-904

N/A 0.072

N/A 0.003

N/A 0.351

N/A 0.005

N/A 0.495

N/A

N/A 1.8

N/A 8.9

N/A 12.6

1-905

N/A 0.072

N/A 0.003

N/A 0.414

N/A 0.005

N/A 0.558

N/A

N/A 1.8

N/A 10.5

N/A 14.2

1-906

N/A 0.078

N/A 0.003

N/A 0.468

N/A 0.005

N/A 0.624

N/A

N/A 2.0

N/A 11.9

N/A 15.8

1-907

N/A 0.082

N/A 0.003

N/A 0.530

N/A 0.005

N/A 0.694

N/A

N/A 2.1

N/A 13.5

N/A 17.6

1-908

N/A 0.087

N/A 0.003

N/A 0.644

N/A 0.009

N/A 0.818

N/A

N/A 2.2

N/A 16.4

N/A 20.8

1-909

N/A 0.097

N/A 0.003

N/A 0.706

N/A 0.009

N/A 0.900

N/A

N/A 2.5

N/A 17.9

N/A 22.9