NSN 4320-01-381-3899

Part Details | WEARING RING

4320-01-381-3899 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: 1700D6B, 1700D6B, 12260D18, 12260D18, 12253D18 ITEM 6, 12253D18 ITEM 6, 12253D18, 12089F186, 12089F18-6, 12089F186, 12089F18-6, 12089F18 ITEM 6, 12089F18 ITEM 6, 12089F18, 4320-01-381-3899, 01-381-3899, 4320013813899, 013813899

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43OCT 15, 199301-381-389922534 ( RING, WEARING )
REFERENCE DRAWINGS & PICTURES

PLAIN W/INTERNAL FLANGE

Cross Reference | NSN 4320-01-381-3899
Part Number Cage Code Manufacturer
1700D6B88032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
1700D6B0UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12260D1888032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12260D180UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12253D18 ITEM 688032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12253D18 ITEM 60UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12253D1888032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12089F18-688032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12089F18-60UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12089F18 ITEM 688032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12089F18 ITEM 60UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
12089F1888032CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
Technical Data | NSN 4320-01-381-3899
Characteristic Specifications
MATERIAL STEEL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B367, GR. C-2 ASSN STD SINGLE MATERIAL RESPONSE
BODY STYLE PLAIN W/INTERNAL FLANGE
OVERALL LENGTH2.125 INCHES NOMINAL
BOLT CIRCLE DIAMETER16.125 INCHES NOMINAL
BODY OUTSIDE DIAMETER17.749 INCHES NOMINAL
BODY INSIDE DIAMETER17.056 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER15.250 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.600 INCHES NOMINAL
BOLT HOLE QUANTITY6
UNTHREADED MOUNTING HOLE DIAMETER0.312 INCHES NOMINAL
SPECIAL FEATURESMERCURY FREE TITANIUM CASTING; MOUNTING HOLES C-BORED; 2 HOLES 180.0 DEG APART THREADED 0.38-16 UNC-3B; 2 PRY SLOTS 180.0 DEG APART