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		                             National Stock Number: 4310-00-101-2810
  Federal Supply Class: 4310
  National Item Identification Number: 001012810
  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. 
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  Manufacturer Information:
 | 4645N | 0AT62 | SIEMENS ENERGY, INC. |  | 4645N | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | RNG1659 | 59379 | ATLAS COPCO HOLYOKE INC |  | 4645N | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP |  | 4645N | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |  | RNG-1659 | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |  | RNG1659 | 93234 | WORTHINGTON COMPRESSORS INC AIR POWER AND CONSTRUCTION EQUIP DIV |   
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  Techincal Specification:
 | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | ANODIZE OVERALL |  | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |  | JOINT STYLE | STEP JOINT |  | RING STYLE | CONCENTRIC |  | RADIAL WALL THICKNESS | 0.1560 INCHES NOMINAL |  | OVERALL WIDTH | 0.0938 INCHES NOMINAL |  | STANDARD BORE DIAMETER | 3.750 INCHES |  | SPECIAL FEATURES | FURNISHED W/ONE RAILRING |   
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