4320-00-218-3483 IMPELLER,PUMP,CENTRIFUGAL Index 4320-00-218-3488 SHAFT,TRANSMISSION,PUMP

National Stock Number:
4320-00-218-3487

Federal Supply Class:
4320

National Item Identification Number:
002183487

Description:
RING,WEARING

Detail:
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.


Manufacturer Information:
255278-050UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
255278-0593232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
255278-593232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
789P93232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
SL5278PC5193232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER4.095 INCHES NOMINAL
BODY OUTSIDE DIAMETER4.624 INCHES MINIMUM AND 4.625 INCHES MAXIMUM
BODY STYLEINTERNAL AND EXTERNAL FLANGE
BOLT CIRCLE DIAMETER5.290 INCHES NOMINAL
BOLT HOLE QUANTITY6
CHAMFER ANGLE45.0 DEGREES NOMINAL INSIDE RIGHT CORNER
CHAMFER LENGTH0.125 INCHES NOMINAL INSIDE RIGHT CORNER
CORNER RADIUS0.312 INCHES NOMINAL INSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPEROUND INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
FLANGE DIAMETER5.845 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER2.875 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.313 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS0.375 INCHES NOMINAL
OVERALL LENGTH1.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GR 4 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
SPECIAL FEATURESMTG HOLES COUNTERBORED 0.406 IN. DIA AND0.250 IN. DEEP
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL


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