2805-00-278-1535 RING,PISTON Index 2815-00-278-1537 RING,PISTON

National Stock Number:
2815-00-278-1536

Federal Supply Class:
2815

National Item Identification Number:
002781536

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:
2815002781536A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
2815002781536SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
518532524617GENERAL MOTORS CORP
518532572582ROLLS-ROYCE SOLUTIONS AMERICA INC
519277072582ROLLS-ROYCE SOLUTIONS AMERICA INC
519277072587DETROIT ELECTRIC MOTOR WORKS 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 STYLERADII STRAIGHT FACE, SCRAPER
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1245 INCHES MAXIMUM
MATERIALSTEEL OVERALL
OIL PASSAGE TYPE AND QUANTITY2 GROOVE HORIZONTALLY THROUGH RING
RADIAL WALL THICKNESS0.1400 INCHES MINIMUM AND 0.1520 INCHES MAXIMUM
RING STYLECONCENTRIC
STANDARD BORE DIAMETER4.250 INCHES
SURFACE TREATMENTCHROMIUM OVERALL


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