4320-00-139-3955 RING,WEARING Index 4320-00-139-3957 IMPELLER,PUMP,CENTRIFUGAL

National Stock Number:
4320-00-139-3956

Federal Supply Class:
4320

National Item Identification Number:
001393956

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:
066-07685-00009647AQUA-CHEM INC.
066-07685-0000EXU3AQUA-CHEM, INC.
66-768509647AQUA-CHEM INC.
66-7685US09647AQUA-CHEM INC.


Techincal Specification:
BODY INSIDE DIAMETER5.607 INCHES MINIMUM AND 5.611 INCHES MAXIMUM
BODY OUTSIDE DIAMETER6.000 INCHES MINIMUM AND 6.001 INCHES MAXIMUM
BODY STYLEPLAIN
CORNER SHAPESQUARE ALL CORNERS
OVERALL LENGTH1.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16221,GR 3 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
SURFACE FINISH125.0 MICROINCHES INSIDE
SURFACE FINISH125.0 MICROINCHES LEFT FACE
SURFACE FINISH125.0 MICROINCHES OUTSIDE
SURFACE FINISH125.0 MICROINCHES RIGHT FACE


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