4820-01-024-8445 VALVE,CHECK Index 3120-01-024-8447 BEARING,SLEEVE

National Stock Number:
4310-01-024-8446

Federal Supply Class:
4310

National Item Identification Number:
010248446

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.


Manufacturer Information:
NK229293591PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP
NK2292-14RPH2DRESSER-RAND COMPANY
NK2292-1830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLESTEP JOINT
OVERALL WIDTH0.2500 INCHES NOMINAL
MATERIALIRON OVERALL
RADIAL WALL THICKNESS0.2600 INCHES NOMINAL
RING STYLECONCENTRIC
STANDARD BORE DIAMETER7.500 INCHES


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