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National Stock Number:
2805-00-088-5038
Federal Supply Class:
2805
National Item Identification Number:
000885038
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:
| 275943P20 | 77445 | RTX CORPORATION |
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Techincal Specification:
| BORE DIAMETER OVERSIZE | 0.020 INCHES | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | FSC APPLICATION DATA | ENGINE,AIRCRAFT,TURBO-JET | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 2.8360 INCHES MINIMUM AND 2.8370 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 AISI 430 FED STD 1ST MATERIAL RESPONSE AND SAE 51430 FED STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | RADIAL WALL THICKNESS | 0.0930 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | STANDARD BORE DIAMETER | 2.837 INCHES |
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