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		                        | National Stock Number:
 4310-00-590-9750
 
 Federal Supply Class:
 4310
 
 National Item Identification Number:
 005909750
 
 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:
 
 | 2721014-2 | 80894 | MORGAN ADVANCED MATERIALS AND TECHNOLOGY, INC. |  | 2721014-2 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS | 
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 Techincal Specification:
 
 | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |  | JOINT STYLE | VERTICAL JOINT |  | OVERALL WIDTH | 0.1020 INCHES NOMINAL |  | MATERIAL | GRAPHITE OVERALL |  | RADIAL WALL THICKNESS | 0.0620 INCHES NOMINAL |  | RING STYLE | CONCENTRIC |  | STANDARD BORE DIAMETER | 0.500 INCHES | 
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