2815-00-994-4425 PISTON,INTERNAL COMBUSTION ENGIN Index 2815-00-994-4428 RING,PISTON

National Stock Number:
2815-00-994-4427

Federal Supply Class:
2815

National Item Identification Number:
009944427

Description:
RING,PISTON

Detail:
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.


Manufacturer Information:
14767015434CUMMINS INC.
301233115434CUMMINS INC.
MILE1127681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
QPL1127697403CECOM LR CENTER


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN KEYSTONE, STRAIGHT RADII FACE
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.2500 INCHES NOMINAL
MATERIALSTEEL OVERALL
RADIAL WALL THICKNESS0.1875 INCHES NOMINAL
RING STYLECONCENTRIC
STANDARD BORE DIAMETER5.500 INCHES


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