NSN 4310-00-131-2921

Part Details | PISTON RING

4310-00-131-2921 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.

Alternate Parts: 119323PC247, 113523PC247, 109123PC247, 264B, 264B, 4310-00-131-2921, 00-131-2921, 4310001312921, 001312921

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43JAN 01, 196100-131-292111459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

PLAIN RECTANGULAR, STRAIGHT FACE

CONCENTRIC

VERTICAL JOINT

Cross Reference | NSN 4310-00-131-2921
Part Number Cage Code Manufacturer
119323PC24793232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
113523PC24793232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
109123PC24793232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
264B0AT62DRESSER-RAND COMPANYDBA RECIPROCATING PRODUCTS DIV
264B93236DRESSER-RAND COWORTHINGTON COMPRESSOR OPN
Technical Data | NSN 4310-00-131-2921
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.3470 INCHES MINIMUM AND 0.3670 INCHES MAXIMUM
OVERALL WIDTH0.3102 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM
STANDARD BORE DIAMETER11.250 INCHES