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National Stock Number:
2825-00-271-9022
Federal Supply Class:
2825
National Item Identification Number:
002719022
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:
| D15-640-977 | 79500 | WESTINGHOUSE ELECTRIC CORP | | D15-640-977 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV | | D15-640J977 | 79500 | WESTINGHOUSE ELECTRIC CORP | | D15-640J977 | 80231 | WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV | | D15-640J977 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | D15-640-977 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | FSC APPLICATION DATA | TURBINE,STEAM | | OVERALL WIDTH | 0.1850 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM | | MATERIAL | IRON OVERALL | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.0780 INCHES NOMINAL | | STANDARD BORE DIAMETER | 1.437 INCHES |
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