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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
0AT62 DRESSER-RAND COMPANY DBA RECIPROCATI

Federal Supply Class

Title

COMPRESSORS AND VACUUM PUMPS

Inclusions:

INCLUDES TRUCK MOUNTED AND TRAILER MOUNTED COMPRESSORS.

Exclusions:

EXCLUDES REFRIGERATION COMPRESSORS (FSC 4130).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ACXD RING STYLE CONCENTRIC
ACXD RING STYLE CONCENTRIC
ACXZ STANDARD BORE DIAMETER 4.500 INCHES
CQKZ OIL PASSAGE TYPE AND QUANTITY 11 SLOT HORIZONTALLY THROUGH RING
ADTE JOINT STYLE VERTICAL JOINT
ACXF RADIAL WALL THICKNESS 0.1700 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM
ACXJ OVERALL WIDTH 0.2495 INCHES NOMINAL
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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