NSN 4310-00-131-5261

Part Details | PISTON RING

4310-00-131-5261 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: SM4, SM-4, BS51703PC109, BS5-1703PC109, 4310-00-131-5261, 00-131-5261, 4310001315261, 001315261

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43JAN 01, 196100-131-526111459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

PLAIN RECTANGULAR, STRAIGHT FACE

CONCENTRIC

STEP JOINT

Cross Reference | NSN 4310-00-131-5261
Part Number Cage Code Manufacturer
SM-463857WARREN PUMPS LLC
BS5-1703PC10963857WARREN PUMPS LLC
Technical Data | NSN 4310-00-131-5261
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE STEP JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.1150 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM
OVERALL WIDTH0.1850 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM
STANDARD BORE DIAMETER3.000 INCHES
BORE DIAMETER OVERSIZE0.010 INCHES
FSC APPLICATION DATASTEAM PISTON,DIRECT ACTING RECIPROCATING PUMP