4320-00-212-9501 RING,WEARING Index 4320-00-212-9505 IMPELLER,PUMP,CENTRIFUGAL

National Stock Number:
4320-00-212-9502

Federal Supply Class:
4320

National Item Identification Number:
002129502

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:
A0VN1288US16062M.T. DAVIDSON COMPANY
A0VNI288US16062M.T. DAVIDSON COMPANY
AOVNI288US16062M.T. DAVIDSON COMPANY
CS4320-014216236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)


Techincal Specification:
BODY INSIDE DIAMETER4.062 INCHES MINIMUM AND 4.063 INCHES MAXIMUM
BODY OUTSIDE DIAMETER4.498 INCHES MINIMUM AND 4.499 INCHES MAXIMUM
BODY STYLEEXTERNAL FLANGE
BOLT CIRCLE DIAMETER5.125 INCHES NOMINAL
BOLT HOLE QUANTITY2
CHAMFER ANGLE45.0 DEGREES NOMINAL INSIDE RIGHT CORNER
CHAMFER LENGTH0.125 INCHES NOMINAL INSIDE RIGHT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
FLANGE DIAMETER5.719 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS0.250 INCHES NOMINAL
OVERALL LENGTH0.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D3 FED 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 DIAMETER0.312 INCHES NOMINAL


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