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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

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
ACXZ STANDARD BORE DIAMETER 4.500 INCHES
ACXF RADIAL WALL THICKNESS 0.1740 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM
ADTE JOINT STYLE VERTICAL JOINT
ACXJ OVERALL WIDTH 0.1860 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM
AAGR CROSS-SECTIONAL SHAPE STYLE BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
SFTT SURFACE TREATMENT PHOSPHATE OVERALL
CQKZ OIL PASSAGE TYPE AND QUANTITY 1 GROOVE OUTSIDE PERIPHERY
CQKZ OIL PASSAGE TYPE AND QUANTITY 9 HOLE HORIZONTALLY THROUGH RING
MATT MATERIAL IRON OVERALL
AGAV END ITEM IDENTIFICATION GRUMMAN AIRCRAFT CORP; A-10 AIRCRAFT

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