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National Stock Number:
4310-00-299-0290
Federal Supply Class:
4310
National Item Identification Number:
002990290
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:
| 68B458008-101 | 09257 | TRELLEBORG SEALING SOLUTIONS US, INC. | | 68B458008-101 | 76301 | THE BOEING COMPANY | | 68B458008-101 | 97820 | SHAMBAN POLYMER TECH GROUP |
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Techincal Specification:
| MATERIAL | PLASTIC TETRAFLUOROETHYLENE OVERALL | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE, W/EXPANDER | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.1850 INCHES MINIMUM AND | | 0.1890 INCHES MAXIMUM | | OVERALL WIDTH | 0.0590 INCHES MINIMUM AND | | 0.0610 INCHES MAXIMUM | | STANDARD BORE DIAMETER | 2.371 INCHES | | FSC APPLICATION DATA | STEERING,CYLINDER,AIRCRAFT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 97820 | | DESIGN CONTROL REFERENCE | 68B458008-101 |
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