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National Stock Number: 2810-00-808-8690
Federal Supply Class: 2810
National Item Identification Number: 008088690
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:
188549P20W | 00198 | PRATT & WHITNEY CANADA CORP | 188549P20W | 77445 | RTX CORPORATION |
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Techincal Specification:
CROSS-SECTIONAL SHAPE STYLE | PLAIN KEYSTONE, STRAIGHT RADII FACE | FSC APPLICATION DATA | ENGINE,AIRCRAFT,RECIPROCATING | JOINT STYLE | VERTICAL JOINT | OVERALL WIDTH | 0.1190 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM | MATERIAL | IRON OVERALL | RADIAL WALL THICKNESS | 0.1750 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM | RING STYLE | CONCENTRIC | STANDARD BORE DIAMETER | 5.500 INCHES |
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