1420-00-081-8158 FIN,GUIDED MISSILE Index 4320-00-081-8160 RING,WEARING

National Stock Number:
4320-00-081-8159

Federal Supply Class:
4320

National Item Identification Number:
000818159

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:
1212760UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12127610171CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
1212761W383TOOLEX, INC
3T267620UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
3T2676210171CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER3.000 INCHES MINIMUM AND 3.001 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.361 INCHES MINIMUM AND 3.362 INCHES MAXIMUM
BODY STYLEPLAIN
CHAMFER ANGLE45.0 DEGREES NOMINAL INSIDE LEFT CORNER
CHAMFER ANGLE45.0 DEGREES NOMINAL INSIDE RIGHT CORNER
CHAMFER LENGTH0.062 INCHES NOMINAL INSIDE RIGHT CORNER
CHAMFER LENGTH0.094 INCHES NOMINAL INSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
OVERALL LENGTH0.750 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURES0.031 IN. DEEP COBALT ALLOY ON OUTSIDE SURFACE
SURFACE FINISH63.0 MICROINCHES INSIDE
SURFACE FINISH8.0 MICROINCHES OUTSIDE


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