Search our 2,700+ Standard+ Special Size O-Ring Tooling List.
New Sizes are added regularly.

Click here to view our O-Ring Brochure.
Unit of Measure

C/S (inches)

N/A 0.070

C/S Tolerance (±)

N/A 0.003

I.D. (inches)

N/A 3.239

I.D. Tolerance (±)

N/A 0.024

O.D. (REF) (inches)

N/A 3.379

Nominal C/S (inches)

N/A 1/16

Nominal I.D. (inches)

N/A 3 1/4

Nominal O.D. (inches)

N/A 3 3/8

Metric C/S (mm)

N/A 1.8

Metric I.D. (mm)

N/A 82.3

Metric O.D. (mm)

N/A 85.8
Go to Top