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Unequal Shoulder Diameter
Unit of Measure
1 

Item #

Bore Diameter A

Groove Width B

Groove Diameter C

Shoulder Small Diameter D

Shoulder Large Diameter E

Overall Thickness F

A0888 N/A 1/4 N/A 3/32 N/A 3/4 N/A 7/8 N/A 1 N/A 5/16
A1128-D N/A 3/8 N/A 3/32 N/A 1-3/8 N/A 1-5/8 N/A 1-7/8 N/A 1/4
A0091 N/A 3/8 N/A 1/8 N/A 1/2 N/A 5/8 N/A 13/16 N/A 3/8
A1128-B N/A 1/2 N/A 3/32 N/A 1-3/8 N/A 1-5/8 N/A 1-7/8 N/A 1/4
A1128-A N/A 5/8 N/A 3/32 N/A 1-3/8 N/A 1-5/8 N/A 1-7/8 N/A 1/4
A1128-C N/A 3/4 N/A 3/32 N/A 1-3/8 N/A 1-5/8 N/A 1-7/8 N/A 1/4
A1128-S N/A 1-1/8 N/A 3/32 N/A 1-3/8 N/A 1-5/8 N/A 1-7/8 N/A 1/4
Unit of Measure
1