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National Stock Number:
2825-00-123-7944
Federal Supply Class:
2825
National Item Identification Number:
001237944
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:
| NK2923-1 | 4RPH2 | DRESSER-RAND COMPANY | | NK2923-1 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | NK2938 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP | | NP415 45 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP | | NP415-45 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP |
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Techincal Specification:
| MATERIAL | IRON OVERALL | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | VERTICAL JOINT | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.2470 INCHES MINIMUM AND | | 0.2480 INCHES MAXIMUM | | OVERALL WIDTH | 0.1850 INCHES MINIMUM AND | | 0.1950 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 4RPH2 | | DESIGN CONTROL REFERENCE | NK2923-1 |
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