4320-00-678-8501 RING,LANTERN Index 5365-00-678-8503 SPACER,SLEEVE

National Stock Number:
4320-00-678-8502

Federal Supply Class:
4320

National Item Identification Number:
006788502

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:
C185A63857CIRCOR NAVAL SOLUTIONS LLC
CS4320-010816236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
R-656 PC3263857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
MATERIALCOPPER ALLOY
BODY STYLEINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
OVERALL LENGTH1.000 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.998 INCHES MINIMUM AND
4.000 INCHES MAXIMUM
BODY INSIDE DIAMETER2.985 INCHES MINIMUM AND
2.987 INCHES MAXIMUM
LEFT SIDE FLANGE THICKNESS0.188 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS0.375 INCHES NOMINAL
DISTANCE BETWEEN FLANGES0.438 INCHES MINIMUM AND
0.441 INCHES MAXIMUM
END TO FLANGE DISTANCE0.813 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER2.625 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.250 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS1.938 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS2.219 INCHES NOMINAL
DISTANCE BELOW CENTERLINE0.125 INCHES NOMINAL
DISTANCE FROM END0.438 INCHES NOMINAL
CORNER SHAPESQUARE INSIDE LEFT CORNER
ROUND INSIDE RIGHT CORNER
SQUARE OUTSIDE LEFT CORNER
SQUARE OUTSIDE RIGHT CORNER
CORNER RADIUS0.375 INCHES NOMINAL INSIDE RIGHT CORNER
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
SPECIAL FEATURESCOUNTERBORED 3.375 IN. DIA LEFT END


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