Bosch Rexroth Wabco 93850 Pneumatic Cylinder Compression Cup 4 in. Bore

Bosch Rexroth Wabco 93850 Pneumatic Cylinder Compression Cup

Manufactured by Bosch Rexroth Corp

Marked Wabco PC A93850

P/N 93850

Equivalent to Westinghouse Air Brake Technologies P/N 93850 and P/N F55757

NSN 5340-00-765-7990

Compression Cup: A nonmetallic cup-shaped item designed to be located within a cylinder, and whose contact edge with the cylinder walls is usually feathered. This item, by means of extrusion, makes close physical contact with the cylinder walls in order to prevent the escape of internal pressure.

The uncompressed diameter is about 4-1/8 in. so I would guess this item would work for a 4 in. bore.

Condition: New. The box this cup was in got wet and the cup is now soiled, but cleans up easily.