4810-00-064-7256 STEM,FLUID VALVE Index 4320-00-064-7258 IMPELLER,PUMP,CENTRIFUGAL

National Stock Number:
4320-00-064-7257

Federal Supply Class:
4320

National Item Identification Number:
000647257

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.


Manufacturer Information:
17309P0UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
17309P93232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER2.615 INCHES MINIMUM AND 2.618 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.002 INCHES MINIMUM AND 3.003 INCHES MAXIMUM
BODY STYLEPLAIN
CHAMFER ANGLE10.0 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 LENGTH0.500 INCHES NOMINAL
MATERIALCOPPER ALLOY
SURFACE FINISH125.0 MICROINCHES INSIDE
SURFACE FINISH125.0 MICROINCHES LEFT FACE
SURFACE FINISH125.0 MICROINCHES OUTSIDE
SURFACE FINISH500.0 MICROINCHES RIGHT FACE


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