4320-00-289-4442 RING,WEARING Index 4110-00-289-4444 REFRIG MECH COML PTHR

National Stock Number:
4320-00-289-4443

Federal Supply Class:
4320

National Item Identification Number:
002894443

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:
C146A63857CIRCOR NAVAL SOLUTIONS LLC
R-39763857CIRCOR NAVAL SOLUTIONS LLC
R-397 PC.463857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
BODY INSIDE DIAMETER3.235 INCHES MINIMUM AND 3.237 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.626 INCHES MINIMUM AND 3.627 INCHES MAXIMUM
BODY STYLEPLAIN W/INTERNAL FLANGE
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
INTERNAL FLANGE INSIDE DIAMETER2.875 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.125 INCHES NOMINAL
OVERALL LENGTH0.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GRADE 3-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
SURFACE FINISH125.0 MICROINCHES ALL SURFACES


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