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

C/S (inches)

0.275

C/S Tolerance (±)

0.006

I.D. (inches)

2.475

I.D. Tolerance (±)

0.020

O.D. (REF) (inches)

3.025

Nominal C/S (inches)

1/4

Nominal I.D. (inches)

2 1/2

Nominal O.D. (inches)

3

Metric C/S (mm)

7.0

Metric I.D. (mm)

62.9

Metric O.D. (mm)

76.8
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