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National Stock Number:
2805-00-297-9892
Federal Supply Class:
2805
National Item Identification Number:
002979892
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:
| 1285416-101 | 1WL60 | LOCKHEED MARTIN SERVICES, LLC | | 1285416-101 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | FSC APPLICATION DATA | CYLINDER AND PISTON ASSEMBLY,LANDING GEAR,AIRCRAFT | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.2470 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | RADIAL WALL THICKNESS | 0.1800 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | STANDARD BORE DIAMETER | 5.625 INCHES |
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