4310-00-278-9896 RING,PISTON Index 4310-00-278-9898 RING,PISTON

National Stock Number:
4310-00-278-9897

Federal Supply Class:
4310

National Item Identification Number:
002789897

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:
1377N93236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE
RNG-66659379ATLAS COPCO HOLYOKE INC
RNG6660AT62SIEMENS ENERGY, INC.
RNG666830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
RNG6668FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
RNG66693234WORTHINGTON COMPRESSORS INC AIR POWER AND CONSTRUCTION EQUIP DIV
RNG66693236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE


Techincal Specification:
MATERIALIRON OVERALL
CROSS-SECTIONAL SHAPE STYLECONVEX FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLEVERTICAL JOINT
RING STYLECONCENTRIC
RADIAL WALL THICKNESS0.1820 INCHES MINIMUM AND
0.1920 INCHES MAXIMUM
OVERALL WIDTH0.1860 INCHES MINIMUM AND
0.1865 INCHES MAXIMUM
OIL PASSAGE TYPE AND QUANTITY9 SLOT BOTTOM
1 GROOVE HORIZONTALLY THROUGH RING
STANDARD BORE DIAMETER4.875 INCHES


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