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National Stock Number:
2805-00-629-3427
Federal Supply Class:
2805
National Item Identification Number:
006293427
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:
| 6293427 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BORE DIAMETER OVERSIZE | 0.040 INCHES | | CROSS-SECTIONAL SHAPE STYLE | INSIDE COUNTERBORE, STRAIGHT FACE | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.0750 INCHES NOMINAL | | MATERIAL | IRON OVERALL | | OIL PASSAGE TYPE AND QUANTITY | 1 GROOVE HORIZONTALLY THROUGH RING | | RADIAL WALL THICKNESS | 0.1600 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | STANDARD BORE DIAMETER | 3.500 INCHES | | SURFACE TREATMENT | GRAPHITE OVERALL |
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