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National Stock Number: 4320-00-291-3837
Federal Supply Class: 4320
National Item Identification Number: 002913837
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:
| 2DY127729 ITEM 26-5 | 69323 | ZE-BRAN MACHINE | | 555 | 78119 | SEA-RO PACKING CO INC | | BS5-2019PC140 | 63857 | CIRCOR NAVAL SOLUTIONS LLC | | UT1 | 63857 | CIRCOR NAVAL SOLUTIONS LLC | | BS5-2019PC140 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | DY127729 ITEM 26.5 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | FSC APPLICATION DATA | PISTON,PUMP,RECIPROCATING,POWER DRIVEN | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.5154 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-15035,TYPE FBM MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC PHENOLIC OVERALL | | RADIAL WALL THICKNESS | 0.5000 INCHES NOMINAL | | RING STYLE | CONCENTRIC | | STANDARD BORE DIAMETER | 6.000 INCHES |
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