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National Stock Number:
2805-00-323-8906
Federal Supply Class:
2805
National Item Identification Number:
003238906
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:
| DS8015-7 | 71975 | DOUBLE SEAL RING CO | | FR84-7 | 84596 | AVIATION MANUFACTURING GROUP, LLC | | ST7M342-7 | 76301 | THE BOEING COMPANY | | J3-8006 | 99121 | PRECISION RINGS INCORPORATED |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | RADIAL WALL THICKNESS | 0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | | STANDARD BORE DIAMETER | 0.750 INCHES |
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