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National Stock Number:
2815-00-362-1543
Federal Supply Class:
2815
National Item Identification Number:
003621543
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:
| MATERIAL | IRON OVERALL | | SURFACE TREATMENT | OXIDE IRON OVERALL | | CROSS-SECTIONAL SHAPE STYLE | DOUBLE INSIDE BEVEL, STRAIGHT RADII FACE | | JOINT STYLE | VERTICAL JOINT | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.1890 INCHES NOMINAL | | OVERALL WIDTH | 0.2485 INCHES MINIMUM AND | | 0.2490 INCHES MAXIMUM | | STANDARD BORE DIAMETER | 4.875 INCHES |
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