4320-00-398-6397 IMPELLER,PUMP,CENTRIFUGAL Index 5330-00-398-6401 RETAINER,PACKING

National Stock Number:
4320-00-398-6400

Federal Supply Class:
4320

National Item Identification Number:
003986400

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:
CA6493-22-183130AIR & LIQUID SYSTEMS CORPORATION
H4320-398-640003950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
BODY INSIDE DIAMETER8.265 INCHES MINIMUM AND 8.266 INCHES MAXIMUM
BODY OUTSIDE DIAMETER11.623 INCHES MINIMUM AND 11.625 INCHES MAXIMUM
CENTER FLANGE THICKNESS0.312 INCHES NOMINAL
CORNER RADIUS0.687 INCHES NOMINAL INSIDE RIGHT CORNER
CORNER SHAPEROUND INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
END TO FLANGE DISTANCE0.437 INCHES NOMINAL
FLANGE DIAMETER12.000 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER8.250 INCHES NOMINAL
INTERNAL FLANGE LIP WIDTH0.375 INCHES NOMINAL
INTERNAL FLANGE OUTSIDE DIAMETER7.391 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.625 INCHES NOMINAL
OVERALL LENGTH1.438 INCHES NOMINAL
MATERIALCOPPER ALLOY
SURFACE FINISH125.0 MICROINCHES ALL SURFACES


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