NSN 4320-01-240-2749

Part Details | WEARING RING

4320-01-240-2749 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: 7764367X4 PIECE 2, 77643-67X4 PIECE 2, 7764367X4, 77643-67X4, 4320-01-240-2749, 01-240-2749, 4320012402749, 012402749

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43SEP 11, 198601-240-274922534 ( RING, WEARING )
REFERENCE DRAWINGS & PICTURES

PLAIN W/INTERNAL FLANGE

Cross Reference | NSN 4320-01-240-2749
Part Number Cage Code Manufacturer
77643-67X4 PIECE 296169ELECTRIC BOAT CORPORATION
77643-67X496169ELECTRIC BOAT CORPORATION
Technical Data | NSN 4320-01-240-2749
Characteristic Specifications
MATERIAL ALUMINUM ALLOY
BODY STYLE PLAIN W/INTERNAL FLANGE
OVERALL LENGTH4.250 INCHES NOMINAL
BOLT CIRCLE DIAMETER4.500 INCHES NOMINAL
FLANGE DIAMETER5.875 INCHES NOMINAL
BODY OUTSIDE DIAMETER5.500 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS0.750 INCHES NOMINAL
END TO FLANGE DISTANCE3.500 INCHES NOMINAL
BOLT HOLE QUANTITY4