4320-00-218-4219 RING,WEARING Index 4320-00-218-4223 RING,WEARING

National Stock Number:
4320-00-218-4221

Federal Supply Class:
4320

National Item Identification Number:
002184221

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:
C105A63857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
BODY INSIDE DIAMETER3.875 INCHES NOMINAL
BODY OUTSIDE DIAMETER4.375 INCHES NOMINAL
BODY STYLEEXTERNAL LOCKING FLANGE
CENTER FLANGE THICKNESS0.475 INCHES NOMINAL
CORNER RADIUS0.125 INCHES NOMINAL INSIDE RIGHT CORNER
CORNER SHAPEROUND INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
DISTANCE BELOW CENTERLINE0.125 INCHES NOMINAL
DISTANCE BETWEEN FLANGES0.625 INCHES NOMINAL
END TO FLANGE DISTANCE0.250 INCHES NOMINAL
GROOVE DEPTH0.057 INCHES NOMINAL
GROOVE WIDTH0.075 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.188 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS2.438 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS0.141 INCHES NOMINAL
OVERALL LENGTH0.960 INCHES NOMINAL
MATERIALCOPPER ALLOY
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS2.125 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS0.172 INCHES NOMINAL


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