4820-00-740-6820 SEAT,VALVE Index 2825-00-740-6822 RING,PISTON

National Stock Number:
2825-00-740-6821

Federal Supply Class:
2825

National Item Identification Number:
007406821

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:
NK1250-193591PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP
S-607PC1693591PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP
S607-1693591PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.1880 INCHES NOMINAL
MATERIALIRON OVERALL
RADIAL WALL THICKNESS0.1880 INCHES NOMINAL
RING STYLECONCENTRIC
STANDARD BORE DIAMETER3.750 INCHES


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