4320-00-212-9440 RING,WEARING Index 4320-00-212-9443 IMPELLER,PUMP,CENTRIFUGAL

National Stock Number:
4320-00-212-9442

Federal Supply Class:
4320

National Item Identification Number:
002129442

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:
GCP183PC11US16062M.T. DAVIDSON COMPANY


Techincal Specification:
MATERIALCOPPER ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GR 3 MIL SPEC SINGLE MATERIAL RESPONSE
BODY STYLEPLAIN
OVERALL LENGTH1.000 INCHES NOMINAL
BOLT CIRCLE DIAMETER5.625 INCHES NOMINAL
BODY OUTSIDE DIAMETER6.246 INCHES MINIMUM AND
6.247 INCHES MAXIMUM
BODY INSIDE DIAMETER4.985 INCHES NOMINAL
BOLT HOLE QUANTITY2
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL
CORNER SHAPESQUARE INSIDE LEFT CORNER
CHAMFERED INSIDE RIGHT CORNER
SQUARE OUTSIDE LEFT CORNER
SQUARE OUTSIDE RIGHT CORNER
CHAMFER ANGLE17.0 DEGREES NOMINAL INSIDE RIGHT CORNER
CHAMFER LENGTH0.188 INCHES NOMINAL INSIDE RIGHT CORNER
SURFACE FINISH125.0 MICROINCHES INSIDE
125.0 MICROINCHES LEFT FACE
125.0 MICROINCHES RIGHT FACE
125.0 MICROINCHES OUTSIDE


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