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) |
---|---|---|---|---|---|---|---|---|---|---|---|
1-130 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 1.612 | I.D. Tolerance (±) N/A 0.015 | O.D. (REF) (inches) N/A 1.818 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 1 5/8 | Nominal O.D. (inches) N/A 1 13/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 40.9 | Metric O.D. (mm) N/A 46.2 |
1-131 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 1.674 | I.D. Tolerance (±) N/A 0.015 | O.D. (REF) (inches) N/A 1.880 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 1 11/16 | Nominal O.D. (inches) N/A 1 7/8 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 42.5 | Metric O.D. (mm) N/A 47.8 |
1-132 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 1.737 | I.D. Tolerance (±) N/A 0.015 | O.D. (REF) (inches) N/A 1.943 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 1 3/4 | Nominal O.D. (inches) N/A 1 15/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 44.1 | Metric O.D. (mm) N/A 49.4 |
1-133 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 1.799 | I.D. Tolerance (±) N/A 0.015 | O.D. (REF) (inches) N/A 2.005 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 1 13/16 | Nominal O.D. (inches) N/A 2 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 45.7 | Metric O.D. (mm) N/A 50.9 |
1-134 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 1.862 | I.D. Tolerance (±) N/A 0.015 | O.D. (REF) (inches) N/A 2.068 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 1 7/8 | Nominal O.D. (inches) N/A 2 1/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 47.3 | Metric O.D. (mm) N/A 52.5 |
1-135 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 1.925 | I.D. Tolerance (±) N/A 0.017 | O.D. (REF) (inches) N/A 2.131 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 1 15/16 | Nominal O.D. (inches) N/A 2 1/8 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 48.9 | Metric O.D. (mm) N/A 54.1 |
1-136 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 1.987 | I.D. Tolerance (±) N/A 0.017 | O.D. (REF) (inches) N/A 2.193 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 | Nominal O.D. (inches) N/A 2 3/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 50.5 | Metric O.D. (mm) N/A 55.7 |
1-137 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.050 | I.D. Tolerance (±) N/A 0.017 | O.D. (REF) (inches) N/A 2.256 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 1/16 | Nominal O.D. (inches) N/A 2 1/4 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 52.1 | Metric O.D. (mm) N/A 57.3 |
1-138 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.112 | I.D. Tolerance (±) N/A 0.017 | O.D. (REF) (inches) N/A 2.318 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 1/8 | Nominal O.D. (inches) N/A 2 5/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 53.6 | Metric O.D. (mm) N/A 58.9 |
1-139 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.175 | I.D. Tolerance (±) N/A 0.017 | O.D. (REF) (inches) N/A 2.381 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 3/16 | Nominal O.D. (inches) N/A 2 3/8 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 55.2 | Metric O.D. (mm) N/A 60.5 |
1-140 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.237 | I.D. Tolerance (±) N/A 0.017 | O.D. (REF) (inches) N/A 2.443 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 1/4 | Nominal O.D. (inches) N/A 2 7/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 56.8 | Metric O.D. (mm) N/A 62.1 |
1-141 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.300 | I.D. Tolerance (±) N/A 0.020 | O.D. (REF) (inches) N/A 2.506 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 5/16 | Nominal O.D. (inches) N/A 2 1/2 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 58.4 | Metric O.D. (mm) N/A 63.7 |
1-142 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.362 | I.D. Tolerance (±) N/A 0.020 | O.D. (REF) (inches) N/A 2.568 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 3/8 | Nominal O.D. (inches) N/A 2 9/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 60.0 | Metric O.D. (mm) N/A 65.2 |
1-143 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.425 | I.D. Tolerance (±) N/A 0.020 | O.D. (REF) (inches) N/A 2.631 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 7/16 | Nominal O.D. (inches) N/A 2 5/8 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 61.6 | Metric O.D. (mm) N/A 66.8 |
1-144 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.487 | I.D. Tolerance (±) N/A 0.020 | O.D. (REF) (inches) N/A 2.693 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 1/2 | Nominal O.D. (inches) N/A 2 11/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 63.2 | Metric O.D. (mm) N/A 68.4 |
1-145 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.550 | I.D. Tolerance (±) N/A 0.020 | O.D. (REF) (inches) N/A 2.756 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 9/16 | Nominal O.D. (inches) N/A 2 3/4 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 64.8 | Metric O.D. (mm) N/A 70.0 |
1-146 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.612 | I.D. Tolerance (±) N/A 0.020 | O.D. (REF) (inches) N/A 2.818 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 5/8 | Nominal O.D. (inches) N/A 2 13/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 66.3 | Metric O.D. (mm) N/A 71.6 |
1-147 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.675 | I.D. Tolerance (±) N/A 0.022 | O.D. (REF) (inches) N/A 2.881 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 11/16 | Nominal O.D. (inches) N/A 2 7/8 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 67.9 | Metric O.D. (mm) N/A 73.2 |
1-148 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.737 | I.D. Tolerance (±) N/A 0.022 | O.D. (REF) (inches) N/A 2.943 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 3/4 | Nominal O.D. (inches) N/A 2 15/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 69.5 | Metric O.D. (mm) N/A 74.8 |
1-149 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.800 | I.D. Tolerance (±) N/A 0.022 | O.D. (REF) (inches) N/A 3.006 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 13/16 | Nominal O.D. (inches) N/A 3 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 71.1 | Metric O.D. (mm) N/A 76.4 |
1-150 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.862 | I.D. Tolerance (±) N/A 0.022 | O.D. (REF) (inches) N/A 3.068 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 2 7/8 | Nominal O.D. (inches) N/A 3 1/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 72.7 | Metric O.D. (mm) N/A 77.9 |
1-151 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 2.987 | I.D. Tolerance (±) N/A 0.024 | O.D. (REF) (inches) N/A 3.193 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 3 | Nominal O.D. (inches) N/A 3 3/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 75.9 | Metric O.D. (mm) N/A 81.1 |
1-152 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 3.237 | I.D. Tolerance (±) N/A 0.024 | O.D. (REF) (inches) N/A 3.443 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 3 1/4 | Nominal O.D. (inches) N/A 3 7/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 82.2 | Metric O.D. (mm) N/A 87.5 |
1-153 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 3.487 | I.D. Tolerance (±) N/A 0.024 | O.D. (REF) (inches) N/A 3.693 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 3 1/2 | Nominal O.D. (inches) N/A 3 11/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 88.6 | Metric O.D. (mm) N/A 93.8 |
1-154 | C/S (inches) N/A 0.103 | C/S Tolerance (±) N/A 0.003 | I.D. (inches) N/A 3.737 | I.D. Tolerance (±) N/A 0.028 | O.D. (REF) (inches) N/A 3.943 | Nominal C/S (inches) N/A 3/32 | Nominal I.D. (inches) N/A 3 3/4 | Nominal O.D. (inches) N/A 3 15/16 | Metric C/S (mm) N/A 2.6 | Metric I.D. (mm) N/A 94.9 | Metric O.D. (mm) N/A 100.2 |