5930-01-498-1819 SWITCH,PRESSURE Index 5410-01-498-1821 ARM,DOOR STOP

National Stock Number:
4320-01-498-1820

Federal Supply Class:
4320

National Item Identification Number:
014981820

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:
0654C0714S902A63857CIRCOR NAVAL SOLUTIONS LLC
654C071463857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
DISTANCE BELOW CENTERLINE0.250 INCHES NOMINAL
DISTANCE BETWEEN FLANGES0.564 INCHES MINIMUM AND 0.567 INCHES MAXIMUM
BODY INSIDE DIAMETER5.375 INCHES NOMINAL
BODY OUTSIDE DIAMETER5.995 INCHES MINIMUM AND 5.999 INCHES MAXIMUM
BODY STYLEEXTERNAL LOCKING FLANGE
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
END TO FLANGE DISTANCE0.810 INCHES NOMINAL
FLANGE DIAMETER5.937 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS3.250 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 LENGTH1.060 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS0.250 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS2.940 INCHES NOMINAL
SPECIAL FEATURESSIMSITE GRADE 302(PHENOLIC LAMINATE) AND GRADE 375 (EPOXY LAMINATE); BOTH MATERIALS ARE CHEMICALLY INERT, BUT MAY AFFECT GALVANIC BALANCE OF ADJACENTMATERIALS; DUE TO THE PHYSICAL DIFFERENCES BETWEEN COMPOSITE MATERIAL REPLACEMENT COMPONENTS AND THE METALLIC COMPONENTS CURRENTLY IN USE, CONSULT THE COMPOSITE INSTALLATION AND MAINT PROCEDURES SUPPLIED W/THE PART BEFORE INSTALLING INTO THE PUMP; USE OF SOLVENTS, OR OIL DURING ASSY ON COMPOSITE COMPONENTS IS 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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