NSN 2805-00-939-8112

Part Details | PISTON RING

2805-00-939-8112 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: 3921665, 39-21665, 392166SA12, 39-2166SA12, 2805-00-939-8112, 00-939-8112, 2805009398112, 009398112

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28NOV 16, 196500-939-811211459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

PLAIN RECTANGULAR, STRAIGHT FACE

CONCENTRIC

VERTICAL JOINT

Cross Reference | NSN 2805-00-939-8112
Part Number Cage Code Manufacturer
39-2166588907BRUNSWICK CORPORATIONDBA MERCURY MARINE
39-2166SA1288907BRUNSWICK CORPORATIONDBA MERCURY MARINE
Technical Data | NSN 2805-00-939-8112
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.0880 INCHES NOMINAL
OVERALL WIDTH0.0620 INCHES NOMINAL
STANDARD BORE DIAMETER2.000 INCHES