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		                             National Stock Number: 4310-00-101-2798
  Federal Supply Class: 4310
  National Item Identification Number: 001012798
  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:
 | 158013 | 1MFB3 | HARLEY J W INC |  | 4641N | 59379 | ATLAS COPCO HOLYOKE INC |  | RNG01658 | 59379 | ATLAS COPCO HOLYOKE INC |  | RNG01658A | 59379 | ATLAS COPCO HOLYOKE INC |  | 4641N | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |  | RNG-1658 | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |  | RNG1658 | 93234 | WORTHINGTON COMPRESSORS INC AIR POWER AND CONSTRUCTION EQUIP DIV |  | XRING1658 | 93234 | WORTHINGTON COMPRESSORS INC AIR POWER AND CONSTRUCTION EQUIP DIV |   
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  Techincal Specification:
 | MATERIAL | IRON OVERALL |  | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |  | JOINT STYLE | STEP JOINT |  | RING STYLE | CONCENTRIC |  | RADIAL WALL THICKNESS | 0.0930 INCHES NOMINAL |  | OVERALL WIDTH | 0.0629 INCHES NOMINAL |  | STANDARD BORE DIAMETER | 4.408 INCHES |   
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