NSN 4320-01-439-8381

Part Details | WEARING RING

4320-01-439-8381 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: NA10381NICUAL, NA1038-1NICUAL, NA10381, NA1038-1, NA 10381 .030, NA 1038-1 .030, 0654C0574S902A, 0654C0574S901A, 4320-01-439-8381, 01-439-8381, 4320014398381, 014398381

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43DEC 20, 199601-439-838122534 ( RING, WEARING )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4320-01-439-8381
Part Number Cage Code Manufacturer
NA1038-1NICUAL83130BUFFALO PUMPS, INC.DIV BUFFALO PUMPS DIV
NA1038-183130BUFFALO PUMPS, INC.DIV BUFFALO PUMPS DIV
NA 1038-1 .03083130BUFFALO PUMPS, INC.DIV BUFFALO PUMPS DIV
0654C0574S902A63857WARREN PUMPS LLC
0654C0574S901A63857WARREN PUMPS LLC
Technical Data | NSN 4320-01-439-8381
Characteristic Specifications
MATERIAL PLASTIC
BODY STYLE3 PLAIN
OVERALL LENGTH0.812 INCHES NOMINAL
BODY OUTSIDE DIAMETER6.750 INCHES NOMINAL
BODY INSIDE DIAMETER6.250 INCHES NOMINAL
END TO FLANGE DISTANCE0.312 INCHES NOMINAL
CENTER FLANGE THICKNESS0.187 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS3.375 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS3.625 INCHES NOMINAL
DISTANCE BELOW CENTERLINE0.125 INCHES NOMINAL
SPECIAL FEATURESMATERIAL IS MADE OF COMPOSITE PLASTIC