4320-00-398-6499 IMPELLER,PUMP,CENTRIFUGAL Index 4320-00-398-6501 RING,WEARING

National Stock Number:
4320-00-398-6500

Federal Supply Class:
4320

National Item Identification Number:
003986500

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:
CA7920-25-183130AIR & LIQUID SYSTEMS CORPORATION
CS4320-011716236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)


Techincal Specification:
BODY INSIDE DIAMETER6.767 INCHES MINIMUM AND 6.768 INCHES MAXIMUM
BODY OUTSIDE DIAMETER7.248 INCHES MINIMUM AND 7.250 INCHES MAXIMUM
CENTER FLANGE THICKNESS0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
CHAMFER ANGLE45.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER
CHAMFER LENGTH0.062 INCHES NOMINAL OUTSIDE RIGHT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
FLANGE DIAMETER7.672 INCHES MINIMUM AND 7.702 INCHES MAXIMUM
OVERALL LENGTH0.938 INCHES NOMINAL
MATERIALCOPPER ALLOY


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