Explore our AS-568 & Extended Standard Size O-Rings
Unit of Measure

C/S (inches)

0.139

C/S Tolerance (±)

0.004

I.D. (inches)

19.960

I.D. Tolerance (±)

0.090

O.D. (REF) (inches)

20.238

Nominal C/S (inches)

1/8

Nominal I.D. (inches)

20

Nominal O.D. (inches)

20 1/4

Metric C/S (mm)

3.5

Metric I.D. (mm)

507.0

Metric O.D. (mm)

514.0
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