5305-01-497-9769 SCREW,SHOULDER Index 5340-01-497-9771 PLUG,LEAKPROOF SEAL

National Stock Number:
4320-01-497-9770

Federal Supply Class:
4320

National Item Identification Number:
014979770

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:
0654C0719S902A63857CIRCOR NAVAL SOLUTIONS LLC
654C071963857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
DISTANCE BELOW CENTERLINE0.190 INCHES NOMINAL
DISTANCE BETWEEN FLANGES0.377 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
BODY OUTSIDE DIAMETER4.370 INCHES MINIMUM AND 4.374 INCHES MAXIMUM
BODY STYLEINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
INTERNAL FLANGE INSIDE DIAMETER3.688 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS0.130 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONNAVSEADWG803-7226047 MIL STD SINGLE MATERIAL RESPONSE
III MATERIALPLASTIC PHENOLIC AND PLASTIC
PROPRIETARY CHARACTERISTICSPACS
OVERALL LENGTH1.000 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS0.190 INCHES NOMINAL
SPECIAL FEATURESSIMSITE GRADE 302(PHENOLIC LAMINATE) AND GRADE 375(EPOXY LAMINATE); BOTHMATERIALS ARE CHEMICALLY INERT, BUT MAY AFFECT GALVANIC BALANCE OF ADJACENT MATERIALS; 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 INSTALLINGINTO THE PUMP; USE OF SOLVENTS, OR OIL DURING ASSEMBLY 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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