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National Stock Number:
2805-00-417-0998
Federal Supply Class:
2805
National Item Identification Number:
004170998
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:
| J3-8013 | 99121 | PRECISION RINGS INCORPORATED | | ST7M342-16 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 420 OVERALL | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | VERTICAL JOINT | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.0600 INCHES MINIMUM AND | | 0.0700 INCHES MAXIMUM | | OVERALL WIDTH | 0.0610 INCHES MINIMUM AND | | 0.0620 INCHES MAXIMUM |
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