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

C/S (inches)

N/A 0.210

C/S Tolerance (±)

N/A 0.005

I.D. (inches)

N/A 17.955

I.D. Tolerance (±)

N/A 0.085

O.D. (REF) (inches)

N/A 18.375

Nominal C/S (inches)

N/A 3/16

Nominal I.D. (inches)

N/A 18

Nominal O.D. (inches)

N/A 18 3/8

Metric C/S (mm)

N/A 5.3

Metric I.D. (mm)

N/A 456.1

Metric O.D. (mm)

N/A 466.7
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