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 8.225

I.D. Tolerance (±)

N/A 0.050

O.D. (REF) (inches)

N/A 8.645

Nominal C/S (inches)

N/A 3/16

Nominal I.D. (inches)

N/A 8 1/4

Nominal O.D. (inches)

N/A 8 5/8

Metric C/S (mm)

N/A 5.3

Metric I.D. (mm)

N/A 208.9

Metric O.D. (mm)

N/A 219.6
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