4320-00-212-9437 RING,WEARING Index 4320-00-212-9440 RING,WEARING

National Stock Number:
4320-00-212-9438

Federal Supply Class:
4320

National Item Identification Number:
002129438

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:
62416062M.T. DAVIDSON COMPANY
A0FIE388US16062M.T. DAVIDSON COMPANY


Techincal Specification:
BODY INSIDE DIAMETER4.062 INCHES MINIMUM AND 4.063 INCHES MAXIMUM
BODY OUTSIDE DIAMETER5.247 INCHES MINIMUM AND 5.248 INCHES MAXIMUM
BOLT CIRCLE DIAMETER4.688 INCHES NOMINAL
BOLT HOLE QUANTITY2
COUNTERBORE DEPTH0.312 INCHES NOMINAL
COUNTERBORE DIAMETER0.391 INCHES NOMINAL
CORNER SHAPESQUARE ALL CORNERS
OVERALL LENGTH0.625 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,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
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL


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