4320-00-776-7146 RING,WEARING Index 3120-00-776-7148 BUSHING,SLEEVE

National Stock Number:
4320-00-776-7147

Federal Supply Class:
4320

National Item Identification Number:
007767147

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:
C213A63857CIRCOR NAVAL SOLUTIONS LLC
R851PC1063857CIRCOR NAVAL SOLUTIONS LLC
R869ITEM463857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
BODY INSIDE DIAMETER12.875 INCHES NOMINAL
BODY OUTSIDE DIAMETER13.562 INCHES NOMINAL
BODY STYLEINTERNAL FLANGE
CHAMFER ANGLE45.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER
CHAMFER LENGTH0.047 INCHES NOMINAL OUTSIDE RIGHT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
END TO FLANGE DISTANCE1.125 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER11.312 INCHES NOMINAL
INTERNAL FLANGE OUTSIDE DIAMETER12.250 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.500 INCHES NOMINAL
OVERALL LENGTH1.625 INCHES NOMINAL
MATERIALCOPPER ALLOY
MOUNTING HOLE THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MOUNTING HOLE NOMINAL THREAD SIZE0.250 INCHES
SPECIAL FEATURESW/THREE INTERNAL THREADED MOUNTING HOLES ON TOP EQUALLY SPACED ON 11.688 IN. BOLT CIRCLE DIA


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