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) |
---|---|---|---|---|---|---|---|---|---|---|---|
1-047 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 4.489 | I.D. Tolerance (±) N/A 0.030 | O.D. (REF) (inches) N/A 4.629 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 4.5 | Nominal O.D. (inches) N/A 4 5/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 114.0 | Metric O.D. (mm) N/A 117.6 |
1-048 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 4.739 | I.D. Tolerance (±) N/A 0.030 | O.D. (REF) (inches) N/A 4.879 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 4 3/4 | Nominal O.D. (inches) N/A 4 7/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 120.4 | Metric O.D. (mm) N/A 123.9 |
1-049 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 4.989 | I.D. Tolerance (±) N/A 0.037 | O.D. (REF) (inches) N/A 5.129 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 5 | Nominal O.D. (inches) N/A 5 1/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 126.7 | Metric O.D. (mm) N/A 130.3 |
1-050 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 5.239 | I.D. Tolerance (±) N/A 0.037 | O.D. (REF) (inches) N/A 5.379 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 5 1/4 | Nominal O.D. (inches) N/A 5 3/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 133.1 | Metric O.D. (mm) N/A 136.6 |
1-051 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 5.489 | I.D. Tolerance (±) N/A 0.037 | O.D. (REF) (inches) N/A 5.629 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 5 1/2 | Nominal O.D. (inches) N/A 5 5/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 139.4 | Metric O.D. (mm) N/A 143.0 |
1-052 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 5.739 | I.D. Tolerance (±) N/A 0.037 | O.D. (REF) (inches) N/A 5.879 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 5 3/4 | Nominal O.D. (inches) N/A 5 7/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 145.8 | Metric O.D. (mm) N/A 149.3 |
1-053 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 5.989 | I.D. Tolerance (±) N/A 0.037 | O.D. (REF) (inches) N/A 6.129 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 6 | Nominal O.D. (inches) N/A 6 1/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 152.1 | Metric O.D. (mm) N/A 155.7 |
1-054 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 6.239 | I.D. Tolerance (±) N/A 0.040 | O.D. (REF) (inches) N/A 6.379 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 6 1/4 | Nominal O.D. (inches) N/A 6 3/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 158.5 | Metric O.D. (mm) N/A 162.0 |
1-055 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 6.489 | I.D. Tolerance (±) N/A 0.040 | O.D. (REF) (inches) N/A 6.629 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 6 1/2 | Nominal O.D. (inches) N/A 6 5/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 164.8 | Metric O.D. (mm) N/A 168.4 |
1-056 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 6.739 | I.D. Tolerance (±) N/A 0.040 | O.D. (REF) (inches) N/A 6.879 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 6 3/4 | Nominal O.D. (inches) N/A 6 7/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 171.2 | Metric O.D. (mm) N/A 174.7 |
1-057 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 6.989 | I.D. Tolerance (±) N/A 0.040 | O.D. (REF) (inches) N/A 7.129 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 7 | Nominal O.D. (inches) N/A 7 1/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 177.5 | Metric O.D. (mm) N/A 181.1 |
1-058 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 7.239 | I.D. Tolerance (±) N/A 0.045 | O.D. (REF) (inches) N/A 7.379 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 7 1/2 | Nominal O.D. (inches) N/A 7 3/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 183.9 | Metric O.D. (mm) N/A 187.4 |
1-059 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 7.489 | I.D. Tolerance (±) N/A 0.045 | O.D. (REF) (inches) N/A 7.629 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 7 1/4 | Nominal O.D. (inches) N/A 7 5/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 190.2 | Metric O.D. (mm) N/A 193.8 |
1-060 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 7.739 | I.D. Tolerance (±) N/A 0.045 | O.D. (REF) (inches) N/A 7.879 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 7 3/4 | Nominal O.D. (inches) N/A 7 7/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 196.6 | Metric O.D. (mm) N/A 200.1 |
1-061 | C/S (inches) N/A 0.070 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 7.989 | I.D. Tolerance (±) N/A 0.045 | O.D. (REF) (inches) N/A 8.129 | Nominal C/S (inches) N/A 1/16 | Nominal I.D. (inches) N/A 8 | Nominal O.D. (inches) N/A 8 1/8 | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 202.9 | Metric O.D. (mm) N/A 206.5 |
1-904 | C/S (inches) N/A 0.072 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.351 | I.D. Tolerance (±) N/A 0.005 | O.D. (REF) (inches) N/A 0.495 | Nominal C/S (inches) N/A | Nominal I.D. (inches) N/A | Nominal O.D. (inches) N/A | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 8.9 | Metric O.D. (mm) N/A 12.6 |
1-905 | C/S (inches) N/A 0.072 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.414 | I.D. Tolerance (±) N/A 0.005 | O.D. (REF) (inches) N/A 0.558 | Nominal C/S (inches) N/A | Nominal I.D. (inches) N/A | Nominal O.D. (inches) N/A | Metric C/S (mm) N/A 1.8 | Metric I.D. (mm) N/A 10.5 | Metric O.D. (mm) N/A 14.2 |
1-906 | C/S (inches) N/A 0.078 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.468 | I.D. Tolerance (±) N/A 0.005 | O.D. (REF) (inches) N/A 0.624 | Nominal C/S (inches) N/A | Nominal I.D. (inches) N/A | Nominal O.D. (inches) N/A | Metric C/S (mm) N/A 2.0 | Metric I.D. (mm) N/A 11.9 | Metric O.D. (mm) N/A 15.8 |
1-907 | C/S (inches) N/A 0.082 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.530 | I.D. Tolerance (±) N/A 0.005 | O.D. (REF) (inches) N/A 0.694 | Nominal C/S (inches) N/A | Nominal I.D. (inches) N/A | Nominal O.D. (inches) N/A | Metric C/S (mm) N/A 2.1 | Metric I.D. (mm) N/A 13.5 | Metric O.D. (mm) N/A 17.6 |
1-908 | C/S (inches) N/A 0.087 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.644 | I.D. Tolerance (±) N/A 0.009 | O.D. (REF) (inches) N/A 0.818 | Nominal C/S (inches) N/A | Nominal I.D. (inches) N/A | Nominal O.D. (inches) N/A | Metric C/S (mm) N/A 2.2 | Metric I.D. (mm) N/A 16.4 | Metric O.D. (mm) N/A 20.8 |
1-909 | C/S (inches) N/A 0.097 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.706 | I.D. Tolerance (±) N/A 0.009 | O.D. (REF) (inches) N/A 0.900 | Nominal C/S (inches) N/A | Nominal I.D. (inches) N/A | Nominal O.D. (inches) N/A | Metric C/S (mm) N/A 2.5 | Metric I.D. (mm) N/A 17.9 | Metric O.D. (mm) N/A 22.9 |
1-910 | C/S (inches) N/A 0.097 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.755 | I.D. Tolerance (±) N/A 0.009 | O.D. (REF) (inches) N/A 0.949 | Nominal C/S (inches) N/A | Nominal I.D. (inches) N/A | Nominal O.D. (inches) N/A | Metric C/S (mm) N/A 2.5 | Metric I.D. (mm) N/A 19.2 | Metric O.D. (mm) N/A 24.1 |
1-102 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.050 | I.D. Tolerance (±) N/A 0.005 | O.D. (REF) (inches) N/A 0.256 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 1/16 | Nominal O.D. (inches) N/A 1/4 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 1.3 | Metric O.D. (mm) N/A 6.5 |
1-103 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.081 | I.D. Tolerance (±) N/A 0.005 | O.D. (REF) (inches) N/A 0.287 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 3/32 | Nominal O.D. (inches) N/A 9/32 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 2.1 | Metric O.D. (mm) N/A 7.3 |
1-104 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 0.112 | I.D. Tolerance (±) N/A 0.005 | O.D. (REF) (inches) N/A 0.318 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 1/8 | Nominal O.D. (inches) N/A 5/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 2.8 | Metric O.D. (mm) N/A 8.1 |