4320-00-202-9984 RING,WEARING Index 4320-00-202-9987 RING,WEARING

National Stock Number:
4320-00-202-9986

Federal Supply Class:
4320

National Item Identification Number:
002029986

Description:
RING,WEARING

Detail:
A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.


Techincal Specification:
BODY INSIDE DIAMETER1.932 INCHES MINIMUM AND 1.942 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.372 INCHES MINIMUM AND 2.382 INCHES MAXIMUM
BODY STYLEPLAIN
CHAMFER ANGLE45.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER
CHAMFER LENGTH0.125 INCHES NOMINAL OUTSIDE RIGHT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
OVERALL LENGTH0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM
MATERIALCOPPER ALLOY
SURFACE FINISH125.0 MICROINCHES OUTSIDE


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