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		                        | National Stock Number:
 2810-01-065-9713
 
 Federal Supply Class:
 2810
 
 National Item Identification Number:
 010659713
 
 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:
 
 | 27080-51 | 99167 | HAMILTON SUNDSTRAND CORPORATION | 
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 Techincal Specification:
 
 | BORE DIAMETER OVERSIZE | 0.001 INCHES |  | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |  | JOINT STYLE | VERTICAL JOINT |  | MATERIAL | ANY ACCEPTABLE OVERALL |  | PROPRIETARY CHARACTERISTICS | PACS |  | OVERALL WIDTH | 0.0840 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM |  | RADIAL WALL THICKNESS | 0.1250 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM |  | RING STYLE | CONCENTRIC |  | STANDARD BORE DIAMETER | 1.122 INCHES |  | SURFACE TREATMENT | ANY ACCEPTABLE OVERALL | 
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