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Part Number

Part Number:
NSN:
NIIN:
Item Name:
RING , PISTON

Definition:

A CIRCULAR, SINGLE OR MULTIPIECE ITEM, METALLIC OR NONMETALLIC IN COMPOSITION, DESIGNED TO BE FITTED IN A CIRCUMFERENTIAL GROOVE IN A PISTON AND TO SPRING OUTWARD AGAINST THE CYLINDER WALL TO FUNCTION AS A SEAL OR WIPER. IT IS SUPPLIED IN VARIOUS CROSS-SECTIONAL SHAPES AND IS CUT THROUGH AT ONE POINT TO ALLOW FOR INSTALLATION IN THE PISTON RING GROOVE. IT MAY INCLUDE AN EXPANDER. EXCLUDES PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; AND SEAL RING, METAL.

CAGE Information

Code Company
11083 CATERPILLAR INC. DBA CATERPILLAR DIV

Federal Supply Class

Title

DIESEL ENGINES AND COMPONENTS

Inclusions:

INCLUDES AUTOMOTIVE, INDUSTRIAL, MARINE, LOCOMOTIVE, AND ALL OTHER TYPES OF DIESEL AND SEMI-DIESEL ENGINES.

Exclusions:

EXCLUDES ENGINES ACCESSORIES (FSC 2990).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ACXZ STANDARD BORE DIAMETER 4.500 INCHES
ACXZ STANDARD BORE DIAMETER 4.500 INCHES
ACYA BORE DIAMETER OVERSIZE 0.020 INCHES

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