NSN 4320-00-620-4756

Part Details | WEARING RING

4320-00-620-4756 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.

Alternate Parts: H3314961, R594PC32, C191A, 4320-00-620-4756, 00-620-4756, 4320006204756, 006204756

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43JAN 01, 196300-620-475622534 ( RING, WEARING )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4320-00-620-4756
Part Number Cage Code Manufacturer
H331496180064NAVAL SHIP SYSTEMS COMMAND
R594PC3263857WARREN PUMPS LLC
C191A63857WARREN PUMPS LLC
Technical Data | NSN 4320-00-620-4756
Characteristic Specifications
MATERIAL COPPER ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE
BODY STYLE4 PLAIN
OVERALL LENGTH1.000 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.998 INCHES MINIMUM AND 4.000 INCHES MAXIMUM
BODY INSIDE DIAMETER2.733 INCHES MINIMUM AND 2.735 INCHES MAXIMUM
LEFT SIDE FLANGE THICKNESS0.188 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS0.375 INCHES NOMINAL
DISTANCE BETWEEN FLANGES0.438 INCHES NOMINAL
END TO FLANGE DISTANCE0.812 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER2.500 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