NSN 4320-00-398-7901

Part Details | WEARING RING

4320-00-398-7901 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: 2550578, 255057-8, 25505708, 255057-08, 25505708, 255057-08, SL8165PC8, SL5057PC23, SL5056PC23, SK139841, SK-139841, 4320-00-398-7901, 00-398-7901, 4320003987901, 003987901

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43JAN 01, 196300-398-790122534 ( RING, WEARING )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4320-00-398-7901
Part Number Cage Code Manufacturer
255057-893232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
255057-0893232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
255057-080UBG9CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
SL8165PC893232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
SL5057PC2393232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
SL5056PC2393232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
SK-13984193232CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION
Technical Data | NSN 4320-00-398-7901
Characteristic Specifications
MATERIAL COPPER ALLOY
BODY STYLE5 PLAIN
OVERALL LENGTH0.812 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.685 INCHES NOMINAL
BODY INSIDE DIAMETER1.400 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS0.187 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS0.187 INCHES NOMINAL
DISTANCE BETWEEN FLANGES0.437 INCHES NOMINAL
END TO FLANGE DISTANCE0.625 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS0.812 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS0.932 INCHES NOMINAL
DISTANCE BELOW CENTERLINE0.062 INCHES NOMINAL
DISTANCE FROM END0.250 INCHES NOMINAL