3020-00-745-7825 PULLEY,GROOVE Index 5330-00-745-7827 GASKET

National Stock Number:
2815-00-745-7826

Federal Supply Class:
2815

National Item Identification Number:
007457826

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:
510939824617GENERAL MOTORS CORP
510939872582ROLLS-ROYCE SOLUTIONS AMERICA INC
512234824617GENERAL MOTORS CORP
512234872582ROLLS-ROYCE SOLUTIONS AMERICA INC
513260624617GENERAL MOTORS CORP
513260672582ROLLS-ROYCE SOLUTIONS AMERICA INC
514857372582ROLLS-ROYCE SOLUTIONS AMERICA INC
MILE1127681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
PC5148573C7432POWER COMPONENTS (DEUTSCHLAND) GMBH


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLESTRAIGHT FACE, DOUBLE SCRAPER
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.0830 INCHES MINIMUM AND 0.0840 INCHES MAXIMUM
MATERIALSTEEL OVERALL
OIL PASSAGE TYPE AND QUANTITY1 GROOVE OUTSIDE PERIPHERY
RADIAL WALL THICKNESS0.1490 INCHES MINIMUM AND 0.1610 INCHES MAXIMUM
RING STYLECONCENTRIC
STANDARD BORE DIAMETER4.250 INCHES
SURFACE TREATMENTCHROMIUM OVERALL


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