2815-00-288-1426 PIN,PISTON Index 2815-00-288-1429 RING,PISTON

National Stock Number:
2815-00-288-1428

Federal Supply Class:
2815

National Item Identification Number:
002881428

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:
145122A1ML14BRINKLEY TECHNOLOGY GROUP LLC
145122A28265HERCULES ENGINE CO INC


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN KEYSTONE, STRAIGHT RADII FACE
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM
MATERIALIRON OVERALL
RADIAL WALL THICKNESS0.1840 INCHES MINIMUM AND 0.1940 INCHES MAXIMUM
RING STYLECONCENTRIC
STANDARD BORE DIAMETER3.875 INCHES
SURFACE TREATMENTCHROMIUM OVERALL


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