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

C/S (inches)

N/A 0.070

C/S Tolerance (±)

N/A 0.003

I.D. (inches)

N/A 7.489

I.D. Tolerance (±)

N/A 0.045

O.D. (REF) (inches)

N/A 7.629

Nominal C/S (inches)

N/A 1/16

Nominal I.D. (inches)

N/A 7 1/4

Nominal O.D. (inches)

N/A 7 5/8

Metric C/S (mm)

N/A 1.8

Metric I.D. (mm)

N/A 190.2

Metric O.D. (mm)

N/A 193.8
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