NSN 4320-01-380-0273

Part Details | WEARING RING

4320-01-380-0273 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: 12261D18, 12261D18, 4320-01-380-0273, 01-380-0273, 4320013800273, 013800273

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43SEP 13, 199301-380-027322534 ( RING, WEARING )
REFERENCE DRAWINGS & PICTURES

PLAIN W/INTERNAL FLANGE

Cross Reference | NSN 4320-01-380-0273
Part Number Cage Code Manufacturer
12261D1888032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12261D180UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
Technical Data | NSN 4320-01-380-0273
Characteristic Specifications
MATERIAL TITANIUM
BODY STYLEA PLAIN W/INTERNAL FLANGE
OVERALL LENGTH2.125 INCHES NOMINAL
BOLT CIRCLE DIAMETER16.125 INCHES NOMINAL
BODY OUTSIDE DIAMETER17.749 INCHES NOMINAL
BODY INSIDE DIAMETER16.801 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER15.250 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.625 INCHES NOMINAL
BOLT HOLE QUANTITY6
MOUNTING HOLE THREAD SERIES DESIGNATOR UNC
MOUNTING HOLE NOMINAL THREAD SIZE0.380 INCHES
SPECIAL FEATURESMATERIAL IS TITANIUM CASTING PER ASTM B367 GR C-2; HAS TWO PRY SLOTS 180DEG APART, RADIUS 0.50