4320-00-398-6501 RING,WEARING Index 4320-00-398-6503 SHAFT,TRANSMISSION,PUMP

National Stock Number:
4320-00-398-6502

Federal Supply Class:
4320

National Item Identification Number:
003986502

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:
CA5870-24-183130AIR & LIQUID SYSTEMS CORPORATION
CS4320-011816236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)


Techincal Specification:
BODY INSIDE DIAMETER6.372 INCHES MINIMUM AND 6.375 INCHES MAXIMUM
BODY OUTSIDE DIAMETER7.250 INCHES MINIMUM AND 7.252 INCHES MAXIMUM
BODY STYLEINTERNAL AND EXTERNAL FLANGE
CENTER FLANGE THICKNESS0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
END TO FLANGE DISTANCE0.312 INCHES NOMINAL
FLANGE DIAMETER7.594 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER5.250 INCHES NOMINAL
INTERNAL FLANGE LIP WIDTH0.687 INCHES NOMINAL
INTERNAL FLANGE OUTSIDE DIAMETER5.561 INCHES MINIMUM AND 5.564 INCHES MAXIMUM
INTERNAL FLANGE WIDTH0.750 INCHES NOMINAL
OVERALL LENGTH0.875 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY 937
SPECIAL FEATURES1 DRILLED HOLE 0.250 IN.DIA.,0.375 IN. DEEP INTO SIDE OF RING
SURFACE FINISH125.0 MICROINCHES ALL SURFACES


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