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.
Click here to view our 48 page (5Mb) Catalog illustrated with full-size drawings of Standard Size O-Rings plus Dimensions and Tolerances.
Unit of Measure
C/S (inches) |
N/A 0.040 |
C/S Tolerance (±) |
N/A 0.003 |
I.D. (inches) |
N/A 0.029 |
I.D. Tolerance (±) |
N/A 0.004 |
O.D. (REF) (inches) |
N/A 0.109 |
Nominal C/S (inches) |
N/A 1/32 |
Nominal I.D. (inches) |
N/A 1/32 |
Nominal O.D. (inches) |
N/A 3/32 |
Metric C/S (mm) |
N/A 1.0 |
Metric I.D. (mm) |
N/A 0.7 |
Metric O.D. (mm) |
N/A 2.8 |