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		                        | National Stock Number:
 3040-01-623-1491
 
 Federal Supply Class:
 3040
 
 National Item Identification Number:
 016231491
 
 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:
 
 | GP7502000-C380 | 25220 | BUSAK AND SHAMBAN INC | 
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 Techincal Specification:
 
 | PART NAME ASSIGNED BY CONTROLLING AGENCY | RING,PISTON | 
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