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		                             National Stock Number: 4320-01-186-3503
  Federal Supply Class: 4320
  National Item Identification Number: 011863503
  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:
 | 11287C18 | 88032 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | 11721-D-18 | 88032 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | C-362D323AX3 | 0UBG9 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | 4320-01-186-3503 | 16236 | DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) |  | CS-4320-SV-0737 | 16236 | DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) |  | C-362D323AX3 | 88032 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | D-362D323AX3 | 88032 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | PL-11230-F-18 ITEM 323 | 88032 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |   
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  Techincal Specification: 
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