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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
CQKZ OIL PASSAGE TYPE AND QUANTITY 9 SLOT HORIZONTALLY THROUGH RING AND 1 GROOVE HORIZONTALLY THROUGH RING
ADTE JOINT STYLE VERTICAL JOINT
SFTT SURFACE TREATMENT ANY ACCEPTABLE OVERALL
ACXJ OVERALL WIDTH 0.1855 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM
ACXZ STANDARD BORE DIAMETER 4.875 INCHES
AAGR CROSS-SECTIONAL SHAPE STYLE BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
ACXF RADIAL WALL THICKNESS 0.1910 INCHES MINIMUM AND 0.2010 INCHES MAXIMUM
MATT MATERIAL IRON OVERALL

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