4320-00-115-3849 RING,WEARING Index 4820-00-115-3851 VALVE,SAFETY RELIEF

National Stock Number:
4320-00-115-3850

Federal Supply Class:
4320

National Item Identification Number:
001153850

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:
1035954402RPS-FL, INC.
18135P0UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
18135P93232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
334980-010UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
334980-0193232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
RW-132846 PC.120UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
RW-132846 PC.1293232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
SK-1349800UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
SK-13498093232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER20.125 INCHES MINIMUM AND 20.127 INCHES MAXIMUM
BODY OUTSIDE DIAMETER20.755 INCHES MINIMUM AND 20.758 INCHES MAXIMUM
BODY STYLEPLAIN W/INTERNAL FLANGE
BOLT CIRCLE DIAMETER19.625 INCHES NOMINAL
BOLT HOLE QUANTITY16
CHAMFER ANGLE16.5 DEGREES NOMINAL INSIDE RIGHT CORNER
CHAMFER LENGTH0.438 INCHES NOMINAL INSIDE RIGHT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
INTERNAL FLANGE INSIDE DIAMETER18.625 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.438 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N.288,COMP A FED SPEC SINGLE MATERIAL RESPONSE
III MATERIALNICKEL ALLOY
PROPRIETARY CHARACTERISTICSPACS
OVERALL LENGTH1.938 INCHES NOMINAL
SPECIAL FEATURESALL HOLES COUNTERSUNK ON RIGHT FACE
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
UNTHREADED MOUNTING HOLE DIAMETER0.375 INCHES NOMINAL


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