NSN 4310-00-131-2985

Part Details | PISTON RING

4310-00-131-2985 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: 4310-00-131-2985, 00-131-2985, 4310001312985, 001312985

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43JAN 01, 196300-131-298511459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

DOUBLE INSIDE BEVEL, STRAIGHT FACE

CONCENTRIC

VERTICAL JOINT

Cross Reference | NSN 4310-00-131-2985
Part Number Cage Code Manufacturer
Technical Data | NSN 4310-00-131-2985
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE8 DOUBLE INSIDE BEVEL, STRAIGHT FACE
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.4750 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM
OVERALL WIDTH0.8690 INCHES MINIMUM AND 0.8720 INCHES MAXIMUM
STANDARD BORE DIAMETER16.000 INCHES
BORE DIAMETER OVERSIZE0.010 INCHES
FSC APPLICATION DATASTEAM PISTON,DIRECT ACTING RECIPROCATING PUMP