NSN 2805-01-280-8959

Part Details | PISTON RING

2805-01-280-8959 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: R20538, R-20538, 2805-01-280-8959, 01-280-8959, 2805012808959, 012808959

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JUN 14, 198801-280-895911459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

INSIDE COUNTERBORE, STRAIGHT FACE

CONCENTRIC

VERTICAL JOINT

Cross Reference | NSN 2805-01-280-8959
Part Number Cage Code Manufacturer
R-205380AK10GREG-CO PISTON RINGS INC
Technical Data | NSN 2805-01-280-8959
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE INSIDE COUNTERBORE, STRAIGHT FACE
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.0620 INCHES NOMINAL
OVERALL WIDTH0.0920 INCHES NOMINAL
STANDARD BORE DIAMETER3.500 INCHES