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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
ACXD RING STYLE CONCENTRIC
ACXD RING STYLE CONCENTRIC
ACXF RADIAL WALL THICKNESS 0.2080 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM
ADTE JOINT STYLE VERTICAL JOINT
ACXJ OVERALL WIDTH 0.0930 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM
AAGR CROSS-SECTIONAL SHAPE STYLE INSIDE COUNTERBORE, KEYSTONE, STRAIGHT FACE
ACXZ STANDARD BORE DIAMETER 5.400 INCHES
MATT MATERIAL IRON OVERALL

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