4320-00-398-6898 IMPELLER,PUMP Index 4320-00-398-6902 RING,WEARING

National Stock Number:
4320-00-398-6899

Federal Supply Class:
4320

National Item Identification Number:
003986899

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:
H4320-398-689903950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
H583NX216712SIEMENS ENERGY, INC.


Techincal Specification:
MATERIALCOPPER ALLOY
BODY STYLEINTERNAL AND EXTERNAL FLANGE
OVERALL LENGTH0.688 INCHES NOMINAL
FLANGE DIAMETER3.625 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.438 INCHES NOMINAL
BODY INSIDE DIAMETER2.969 INCHES NOMINAL
END TO FLANGE DISTANCE0.188 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER2.406 INCHES NOMINAL
INTERNAL FLANGE OUTSIDE DIAMETER2.750 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.344 INCHES NOMINAL
INTERNAL FLANGE LIP WIDTH0.156 INCHES NOMINAL
CENTER FLANGE THICKNESS0.250 INCHES NOMINAL
POSITIONING LUG WIDTH0.406 INCHES NOMINAL
POSITIONING LUG LENGTH0.125 INCHES NOMINAL
CORNER SHAPESQUARE INSIDE LEFT CORNER
ROUND INSIDE RIGHT CORNER
SQUARE OUTSIDE LEFT CORNER
SQUARE OUTSIDE RIGHT CORNER
CORNER RADIUS0.250 INCHES NOMINAL INSIDE RIGHT CORNER


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