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New Sizes are added regularly.

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Unit of Measure

C/S (inches)

N/A 0.199

C/S Tolerance (±)

N/A 0.005

I.D. (inches)

N/A 20.936

I.D. Tolerance (±)

N/A 0.095

O.D. (REF) (inches)

N/A 21.334

Metric C/S (mm)

N/A 5.1

Metric I.D. (mm)

N/A 531.8

Metric O.D. (mm)

N/A 541.9
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