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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
75370 KAYDON RING & SEAL INC.

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
ACXF RADIAL WALL THICKNESS 0.1930 INCHES MINIMUM AND 0.2030 INCHES MAXIMUM
ADTE JOINT STYLE VERTICAL JOINT
ZZZV FSC APPLICATION DATA DIESEL ENGINE
ACXJ OVERALL WIDTH 0.3100 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM
AAGR CROSS-SECTIONAL SHAPE STYLE BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
ACXZ STANDARD BORE DIAMETER 5.375 INCHES
CQKZ OIL PASSAGE TYPE AND QUANTITY 1 GROOVE OUTSIDE PERIPHERY
CQKZ OIL PASSAGE TYPE AND QUANTITY 10 SLOT INSIDE PERIPHERY
MATT MATERIAL IRON OVERALL

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