NSN 2805-00-278-1883

Part Details | PISTON RING

2805-00-278-1883 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: 42297A, 42297A, 2805-00-278-1883, 00-278-1883, 2805002781883, 002781883

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-278-188311459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

BEVELED FACE, LOWER

CONCENTRIC

VERTICAL JOINT

Cross Reference | NSN 2805-00-278-1883
Part Number Cage Code Manufacturer
42297A1ML14BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS
42297A28265HERCULES ENGINE CO INC
Technical Data | NSN 2805-00-278-1883
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE6 BEVELED FACE, LOWER
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.1550 INCHES MINIMUM AND 0.1650 INCHES MAXIMUM
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM
STANDARD BORE DIAMETER4.000 INCHES
BORE DIAMETER OVERSIZE0.010 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY RING OVER SIZE