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National Stock Number:
3040-01-033-2890
Federal Supply Class:
3040
National Item Identification Number:
010332890
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:
| DS8015-18 | 71975 | DOUBLE SEAL RING CO | | FR84-18 | 84596 | AVIATION MANUFACTURING GROUP, LLC | | ST7M342-18 | 76301 | THE BOEING COMPANY | | J3-8019 | 99121 | PRECISION RINGS INCORPORATED |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | JOINT STYLE | VERTICAL/DIAGONAL JOINT | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.0440 INCHES NOMINAL | | OVERALL WIDTH | 0.0440 INCHES NOMINAL | | SPECIAL FEATURES | 0.8450 IN. OD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 76301 | | DESIGN CONTROL REFERENCE | ST7M342-18 |
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