5998-01-497-9760 CIRCUIT CARD ASSEMBLY Index 7025-01-497-9762 DISK DRIVE UNIT

National Stock Number:
4320-01-497-9761

Federal Supply Class:
4320

National Item Identification Number:
014979761

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:
0654C0646S902A63857CIRCOR NAVAL SOLUTIONS LLC
654C0481C030A63857CIRCOR NAVAL SOLUTIONS LLC
654C064663857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
DISTANCE BELOW CENTERLINE0.120 INCHES NOMINAL
DISTANCE FROM END0.249 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
BODY INSIDE DIAMETER11.948 INCHES NOMINAL
BODY OUTSIDE DIAMETER12.995 INCHES MINIMUM AND 12.999 INCHES MAXIMUM
BODY STYLEINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
CHAMFER LENGTH0.130 INCHES NOMINAL OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
END TO FLANGE DISTANCE1.130 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER11.120 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.250 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS6.875 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS0.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONNAVSEADWG803-7226047 MIL STD SINGLE MATERIAL RESPONSE
III MATERIALPLASTIC PHENOLIC AND PLASTIC
PROPRIETARY CHARACTERISTICSPACS
OVERALL LENGTH1.380 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS0.250 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS5.760 INCHES NOMINAL
SPECIAL FEATURESMATERIAL SIMSITE GRADE 302(PHENOLIC LAMINATE) AND GRADE 375(EPOXY LAMINATE); BOTH MATERIALS ARE CHEMICALLY INERT, BUT MAY AFFECT GALVANIC BALANCE OF ADJACENT MATERIALS; DUE TO PHYSICAL DIFFERENCES BETWEEN COMPOSITE MATERIAL REPLACEMENT COMPONENTS AND THE METALLIC COMPONENTS CURRENTLY IN USE, CONSULT THE COMPOSITE INSTALLATION AND MAINT PROCEDURES SUPPLIED W/PART BEFORE INSTALLING INTO THE PUMP; USE OF SOLVENTS, OR OIL DURING ASSY ON COMPOSITE COMPONENTSIS PROHIBITED; COMPOSITE PART DIMENSIONS MAY DIFFER WHEN COMPARED TO THE ORIGINAL METAL PART, THIS IS REQUIRED TO ALLOW FOR MOISTURE ABSORPTION AND THERMAL EXPANSION


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