NSN 4320-01-155-3957

Part Details | WEARING RING

4320-01-155-3957 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: C004608, C-0046-08, B0107, B-0107, 4320-01-155-3957, 01-155-3957, 4320011553957, 011553957

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43JUN 08, 198301-155-395722534 ( RING, WEARING )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4320-01-155-3957
Part Number Cage Code Manufacturer
C-0046-0862503BUFFALOES FIRE PUMP INC.DBA R B PUMP CO
B-010762503BUFFALOES FIRE PUMP INC.DBA R B PUMP CO
Technical Data | NSN 4320-01-155-3957
Characteristic Specifications
MATERIAL COPPER ALLOY 903
BODY STYLE PLAIN
OVERALL LENGTH0.438 INCHES NOMINAL
BODY OUTSIDE DIAMETER4.116 INCHES NOMINAL
BODY INSIDE DIAMETER3.625 INCHES NOMINAL
SPECIAL FEATURESOVERSIZED OUTSIDE DIAMETER, MAY REQUIRE MACHINING OF PUMP HOUSING AT TIME OF INSTALLATION TO OBTAIN REQUIRED PRESS FIT
END ITEM IDENTIFICATION4320-01-155-3956,USED ONBOARD 180 FT CLASS U. S. COAST GUARD VESSELS