4820-00-618-9077 VALVE,CHECK Index 4320-00-618-9083 RING,WEARING

National Stock Number:
4320-00-618-9082

Federal Supply Class:
4320

National Item Identification Number:
006189082

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:
08-999-527-00-00392392ALLIS-CHALMERS CORP
08-999-527ITEM20TB30ALLIS CHALMERS CORP INDUSTRIAL PUMP DIV
08-999-527ITEM292392ALLIS-CHALMERS CORP


Techincal Specification:
BODY INSIDE DIAMETER3.875 INCHES MINIMUM AND 3.876 INCHES MAXIMUM
BODY OUTSIDE DIAMETER4.256 INCHES MINIMUM AND 4.257 INCHES MAXIMUM
BODY STYLEPLAIN W/INTERNAL FLANGE
CORNER SHAPESQUARE ALL CORNERS
INTERNAL FLANGE INSIDE DIAMETER3.860 INCHES MINIMUM AND 3.865 INCHES MAXIMUM
INTERNAL FLANGE WIDTH0.234 INCHES NOMINAL
OVERALL LENGTH0.812 INCHES NOMINAL
MATERIALCOPPER ALLOY
SURFACE FINISH125.0 MICROINCHES ALL SURFACES


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