NSN 2805-00-273-0393

Part Details | PISTON RING

2805-00-273-0393 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: 18188, 18-188, 2805-00-273-0393, 00-273-0393, 2805002730393, 002730393

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-273-039311459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

STRAIGHT FACE, BOTTOM RELIEF

CONCENTRIC

VERTICAL JOINT

Cross Reference | NSN 2805-00-273-0393
Part Number Cage Code Manufacturer
18-18835301DRESSER INDUSTRIES INCLEROI DIV
Technical Data | NSN 2805-00-273-0393
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE STRAIGHT FACE, BOTTOM RELIEF
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.1600 INCHES NOMINAL
OVERALL WIDTH0.1237 INCHES NOMINAL
STANDARD BORE DIAMETER4.000 INCHES
FSC APPLICATION DATAGASOLINE ENGINE,NONAIRCRAFT