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National Stock Number:
2520-00-147-8651
Federal Supply Class:
2520
National Item Identification Number:
001478651
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:
| M1904AA T0 1904AZ | 61208 | TWIN DISC, INCORPORATED | | M1904AA TO 1904AZ | 61208 | TWIN DISC, INCORPORATED | | M1904AQ | 61208 | TWIN DISC, INCORPORATED |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | INTERLOCKING JOINT | | OVERALL WIDTH | 0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM | | MATERIAL | IRON OVERALL | | RADIAL WALL THICKNESS | 0.0940 INCHES MINIMUM AND 0.1040 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | STANDARD BORE DIAMETER | 2.250 INCHES | | SURFACE TREATMENT | TIN OVERALL |
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