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

C/S (inches)

N/A 0.139

C/S Tolerance (±)

N/A 0.004

I.D. (inches)

N/A 19.960

I.D. Tolerance (±)

N/A 0.090

O.D. (REF) (inches)

N/A 20.238

Nominal C/S (inches)

N/A 1/8

Nominal I.D. (inches)

N/A 20

Nominal O.D. (inches)

N/A 20 1/4

Metric C/S (mm)

N/A 3.5

Metric I.D. (mm)

N/A 507.0

Metric O.D. (mm)

N/A 514.0
Go to Top