Standard Size O-Rings (Nominal Dimensions)
O-Rings
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.
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) |
---|---|---|---|---|---|---|---|---|---|---|---|
1-463 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 16.955 | I.D. Tolerance (±) N/A 0.080 | O.D. (REF) (inches) N/A 17.505 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 17 | Nominal O.D. (inches) N/A 17 1/2 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 430.7 | Metric O.D. (mm) N/A 444.6 |
1-386 | C/S (inches) N/A 0.210 | C/S Tolerance (±) N/A 0.005 | I.D. (inches) N/A 16.955 | I.D. Tolerance (±) N/A 0.080 | O.D. (REF) (inches) N/A 17.375 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 17 | Nominal O.D. (inches) N/A 17 3/8 | Metric C/S (mm) N/A 5.3 | Metric I.D. (mm) N/A 430.7 | Metric O.D. (mm) N/A 441.3 |
1-283 | C/S (inches) N/A 0.139 | C/S Tolerance (±) N/A 0.004 | I.D. (inches) N/A 16.955 | I.D. Tolerance (±) N/A 0.080 | O.D. (REF) (inches) N/A 17.233 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 17 | Nominal O.D. (inches) N/A 17 1/4 | Metric C/S (mm) N/A 3.5 | Metric I.D. (mm) N/A 430.7 | Metric O.D. (mm) N/A 437.7 |
1-462 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 16.455 | I.D. Tolerance (±) N/A 0.075 | O.D. (REF) (inches) N/A 17.005 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 16 1/2 | Nominal O.D. (inches) N/A 17 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 418.0 | Metric O.D. (mm) N/A 431.9 |
1-461 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 15.955 | I.D. Tolerance (±) N/A 0.075 | O.D. (REF) (inches) N/A 16.505 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 16 | Nominal O.D. (inches) N/A 16 1/2 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 405.3 | Metric O.D. (mm) N/A 419.2 |
1-385 | C/S (inches) N/A 0.210 | C/S Tolerance (±) N/A 0.005 | I.D. (inches) N/A 15.955 | I.D. Tolerance (±) N/A 0.070 | O.D. (REF) (inches) N/A 16.375 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 16 | Nominal O.D. (inches) N/A 16 3/8 | Metric C/S (mm) N/A 5.3 | Metric I.D. (mm) N/A 405.3 | Metric O.D. (mm) N/A 415.9 |
1-282 | C/S (inches) N/A 0.139 | C/S Tolerance (±) N/A 0.004 | I.D. (inches) N/A 15.955 | I.D. Tolerance (±) N/A 0.075 | O.D. (REF) (inches) N/A 16.233 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 16 | Nominal O.D. (inches) N/A 16 1/4 | Metric C/S (mm) N/A 3.5 | Metric I.D. (mm) N/A 405.3 | Metric O.D. (mm) N/A 412.3 |
1-460 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 15.475 | I.D. Tolerance (±) N/A 0.070 | O.D. (REF) (inches) N/A 16.025 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 15 1/2 | Nominal O.D. (inches) N/A 16 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 393.1 | Metric O.D. (mm) N/A 407.0 |
1-281 | C/S (inches) N/A 0.139 | C/S Tolerance (±) N/A 0.004 | I.D. (inches) N/A 14.984 | I.D. Tolerance (±) N/A 0.065 | O.D. (REF) (inches) N/A 15.262 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 15 | Nominal O.D. (inches) N/A 15 1/4 | Metric C/S (mm) N/A 3.5 | Metric I.D. (mm) N/A 380.6 | Metric O.D. (mm) N/A 387.7 |
1-459 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 14.975 | I.D. Tolerance (±) N/A 0.070 | O.D. (REF) (inches) N/A 15.525 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 15 | Nominal O.D. (inches) N/A 15 1/2 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 380.4 | Metric O.D. (mm) N/A 394.3 |
1-384 | C/S (inches) N/A 0.210 | C/S Tolerance (±) N/A 0.005 | I.D. (inches) N/A 14.975 | I.D. Tolerance (±) N/A 0.070 | O.D. (REF) (inches) N/A 15.395 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 15 | Nominal O.D. (inches) N/A 15 3/8 | Metric C/S (mm) N/A 5.3 | Metric I.D. (mm) N/A 380.4 | Metric O.D. (mm) N/A 391.0 |
1-458 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 14.475 | I.D. Tolerance (±) N/A 0.070 | O.D. (REF) (inches) N/A 15.025 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 14 1/2 | Nominal O.D. (inches) N/A 15 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 367.7 | Metric O.D. (mm) N/A 381.6 |
1-280 | C/S (inches) N/A 0.139 | C/S Tolerance (±) N/A 0.004 | I.D. (inches) N/A 13.984 | I.D. Tolerance (±) N/A 0.065 | O.D. (REF) (inches) N/A 14.262 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 14 | Nominal O.D. (inches) N/A 14 1/4 | Metric C/S (mm) N/A 3.5 | Metric I.D. (mm) N/A 355.2 | Metric O.D. (mm) N/A 362.3 |
1-457 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 13.975 | I.D. Tolerance (±) N/A 0.070 | O.D. (REF) (inches) N/A 14.525 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 14 | Nominal O.D. (inches) N/A 14 1/2 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 355.0 | Metric O.D. (mm) N/A 368.9 |
1-383 | C/S (inches) N/A 0.210 | C/S Tolerance (±) N/A 0.005 | I.D. (inches) N/A 13.975 | I.D. Tolerance (±) N/A 0.070 | O.D. (REF) (inches) N/A 14.395 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 14 | Nominal O.D. (inches) N/A 14 3/8 | Metric C/S (mm) N/A 5.3 | Metric I.D. (mm) N/A 355.0 | Metric O.D. (mm) N/A 365.6 |
1-456 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 13.475 | I.D. Tolerance (±) N/A 0.070 | O.D. (REF) (inches) N/A 14.025 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 13 1/2 | Nominal O.D. (inches) N/A 14 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 342.3 | Metric O.D. (mm) N/A 356.2 |
1-279 | C/S (inches) N/A 0.139 | C/S Tolerance (±) N/A 0.004 | I.D. (inches) N/A 12.984 | I.D. Tolerance (±) N/A 0.065 | O.D. (REF) (inches) N/A 13.262 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 13 | Nominal O.D. (inches) N/A 13 1/4 | Metric C/S (mm) N/A 3.5 | Metric I.D. (mm) N/A 329.8 | Metric O.D. (mm) N/A 336.9 |
1-455 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 12.975 | I.D. Tolerance (±) N/A 0.060 | O.D. (REF) (inches) N/A 13.525 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 13 | Nominal O.D. (inches) N/A 13 1/2 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 329.6 | Metric O.D. (mm) N/A 343.5 |
1-382 | C/S (inches) N/A 0.210 | C/S Tolerance (±) N/A 0.005 | I.D. (inches) N/A 12.975 | I.D. Tolerance (±) N/A 0.065 | O.D. (REF) (inches) N/A 13.395 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 13 | Nominal O.D. (inches) N/A 13 3/8 | Metric C/S (mm) N/A 5.3 | Metric I.D. (mm) N/A 329.6 | Metric O.D. (mm) N/A 340.2 |
1-454 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 12.475 | I.D. Tolerance (±) N/A 0.060 | O.D. (REF) (inches) N/A 13.025 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 12 1/2 | Nominal O.D. (inches) N/A 13 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 316.9 | Metric O.D. (mm) N/A 330.8 |
1-278 | C/S (inches) N/A 0.139 | C/S Tolerance (±) N/A 0.004 | I.D. (inches) N/A 11.984 | I.D. Tolerance (±) N/A 0.065 | O.D. (REF) (inches) N/A 12.262 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 12 | Nominal O.D. (inches) N/A 12 1/4 | Metric C/S (mm) N/A 3.5 | Metric I.D. (mm) N/A 304.4 | Metric O.D. (mm) N/A 311.5 |
1-453 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 11.975 | I.D. Tolerance (±) N/A 0.060 | O.D. (REF) (inches) N/A 12.525 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 12 | Nominal O.D. (inches) N/A 12 1/2 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 304.2 | Metric O.D. (mm) N/A 318.1 |
1-381 | C/S (inches) N/A 0.210 | C/S Tolerance (±) N/A 0.005 | I.D. (inches) N/A 11.975 | I.D. Tolerance (±) N/A 0.065 | O.D. (REF) (inches) N/A 12.395 | Nominal C/S (inches) N/A 3/16 | Nominal I.D. (inches) N/A 12 | Nominal O.D. (inches) N/A 12 3/8 | Metric C/S (mm) N/A 5.3 | Metric I.D. (mm) N/A 304.2 | Metric O.D. (mm) N/A 314.8 |
1-277 | C/S (inches) N/A 0.139 | C/S Tolerance (±) N/A 0.004 | I.D. (inches) N/A 11.484 | I.D. Tolerance (±) N/A 0.065 | O.D. (REF) (inches) N/A 11.762 | Nominal C/S (inches) N/A 1/8 | Nominal I.D. (inches) N/A 11 1/2 | Nominal O.D. (inches) N/A 11 3/4 | Metric C/S (mm) N/A 3.5 | Metric I.D. (mm) N/A 291.7 | Metric O.D. (mm) N/A 298.8 |
1-452 | C/S (inches) N/A 0.275 | C/S Tolerance (±) N/A 0.006 | I.D. (inches) N/A 11.475 | I.D. Tolerance (±) N/A 0.060 | O.D. (REF) (inches) N/A 12.025 | Nominal C/S (inches) N/A 1/4 | Nominal I.D. (inches) N/A 11 1/2 | Nominal O.D. (inches) N/A 12 | Metric C/S (mm) N/A 7.0 | Metric I.D. (mm) N/A 291.5 | Metric O.D. (mm) N/A 305.4 |