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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
51228 ECOLAIRE INC BALDWIN-HAMILTON CO 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
ADTE JOINT STYLE DIAGONAL JOINT
ZZZV FSC APPLICATION DATA PISTON,DIESEL ENGINE
ACXZ STANDARD BORE DIAMETER 12.750 INCHES
ACXF RADIAL WALL THICKNESS 0.4250 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM
ACXJ OVERALL WIDTH 0.3095 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM
CQKZ OIL PASSAGE TYPE AND QUANTITY 12 SLOT HORIZONTALLY THROUGH RING
AAGR CROSS-SECTIONAL SHAPE STYLE STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
CQKZ OIL PASSAGE TYPE AND QUANTITY 1 GROOVE OUTSIDE PERIPHERY
MATT MATERIAL IRON OVERALL

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