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 7.734

I.D. Tolerance (±)

N/A 0.045

O.D. (REF) (inches)

N/A 8.012

Nominal C/S (inches)

N/A 1/8

Nominal I.D. (inches)

N/A 7 3/4

Nominal O.D. (inches)

N/A 8

Metric C/S (mm)

N/A 3.5

Metric I.D. (mm)

N/A 196.4

Metric O.D. (mm)

N/A 203.5
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