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National Stock Number:
4310-00-974-8218
Federal Supply Class:
4310
National Item Identification Number:
009748218
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:
| 576994 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | STEP JOINT | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.1120 INCHES MINIMUM AND | | 0.1220 INCHES MAXIMUM | | OVERALL WIDTH | 0.1230 INCHES MINIMUM AND | | 0.1240 INCHES MAXIMUM | | PIN HOLE STYLE | ELONGATED STEP JOINT PINHOLE | | PIN HOLE SLOT LENGTH | 0.003 INCHES MINIMUM AND | | 0.013 INCHES MAXIMUM | | RING WIDTH PIN HOLE DEPTH | 0.016 INCHES NOMINAL | | PIN HOLE CORNER RADIUS | 0.016 INCHES NOMINAL | | STANDARD BORE DIAMETER | 2.625 INCHES | | FSC APPLICATION DATA | DOME,PROPELLER,AIRCRAFT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 73030 | | DESIGN CONTROL REFERENCE | 576994 |
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