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National Stock Number:
2815-00-273-0597
Federal Supply Class:
2815
National Item Identification Number:
002730597
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:
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM | | MATERIAL | IRON OVERALL | | OIL PASSAGE TYPE AND QUANTITY | 1 GROOVE AND 6 SLOT OUTSIDE PERIPHERY | | PIN HOLE SLOT LENGTH | 0.125 INCHES NOMINAL | | PIN HOLE STYLE | HALF ROUND PINHOLE AT JOINT | | RADIAL WALL THICKNESS | 0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | RING WIDTH PIN HOLE DEPTH | 0.106 INCHES MINIMUM AND 0.108 INCHES MAXIMUM | | STANDARD BORE DIAMETER | 4.000 INCHES |
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