4320-00-218-3772 IMPELLER,PUMP,CENTRIFUGAL Index 4320-00-218-3775 ROTATOR

National Stock Number:
4320-00-218-3773

Federal Supply Class:
4320

National Item Identification Number:
002183773

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:
13465P0UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
13465P93232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
4320-218-377303950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
BODY INSIDE DIAMETER4.220 INCHES NOMINAL
BODY OUTSIDE DIAMETER4.623 INCHES MINIMUM AND 4.624 INCHES MAXIMUM
BODY STYLEEXTERNAL FLANGE
BOLT CIRCLE DIAMETER5.250 INCHES NOMINAL
BOLT HOLE QUANTITY6
CORNER SHAPESQUARE ALL CORNERS
FLANGE DIAMETER5.875 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS0.375 INCHES NOMINAL
OVERALL LENGTH0.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GR 3 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
SPECIAL FEATURESMTG HOLES COUNTERBORED 0.438IN.DIA AND 0.281 IN. DEEP
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL


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