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National Stock Number:
4310-00-131-1350
Federal Supply Class:
4310
National Item Identification Number:
001311350
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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Techincal Specification:
| BORE DIAMETER OVERSIZE | 0.010 INCHES | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE, W/RESTRAINER | | FSC APPLICATION DATA | PISTON,STEAM,DIRECT ACTING RECIPROCATING PUMP | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.5590 INCHES NOMINAL | | MATERIAL | COPPER BOTTOM | | MATERIAL | IRON TOP | | RADIAL WALL THICKNESS | 0.2360 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | STANDARD BORE DIAMETER | 7.000 INCHES |
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