NSN 2805-00-529-2991

Part Details | PISTON RING

2805-00-529-2991 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: 5292991, 2805-00-529-2991, 00-529-2991, 2805005292991, 005292991

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-529-299111459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

INSIDE COUNTERBORE, STRAIGHT FACE

RING,PISTON | 2805-00-529-2991, 005292991

ECCENTRIC

RING,PISTON | 2805-00-529-2991, 005292991
Cross Reference | NSN 2805-00-529-2991
Part Number Cage Code Manufacturer
529299119207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 2805-00-529-2991
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE INSIDE COUNTERBORE, STRAIGHT FACE
RING STYLE ECCENTRIC
LARGEST RADIAL WALL THICKNESS0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
SMALLEST RADIAL WALL THICKNESS0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
OVERALL WIDTH0.0780 INCHES NOMINAL
STANDARD BORE DIAMETER3.500 INCHES
FSC APPLICATION DATAGASOLINE ENGINE,NONAIRCRAFT