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National Stock Number:
3040-00-323-8912
Federal Supply Class:
3040
National Item Identification Number:
003238912
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:
| DS8015-8 | 71975 | DOUBLE SEAL RING CO | | FR84-8 | 84592 | FRANKLIN PAINT COMPANY, INC. | | ST7M342-8 | 32067 | MARVIN ENGINEERING CO, INC | | ST7M342-8 | 76301 | THE BOEING COMPANY | | FR84-8 | 84596 | AVIATION MANUFACTURING GROUP, LLC | | J3-8007 | 99121 | PRECISION RINGS INCORPORATED |
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Techincal Specification:
| 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 | | STANDARD BORE DIAMETER | 0.625 INCHES |
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