2825-00-677-0187 RING,PISTON Index 6625-00-677-0198 DRIVE,TUNING

National Stock Number:
4320-00-677-0188

Federal Supply Class:
4320

National Item Identification Number:
006770188

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:
17093P0UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
17093P93232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
RY1187380UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
RY11873893232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION


Techincal Specification:
MATERIALCOPPER ALLOY
BODY STYLEINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
OVERALL LENGTH1.750 INCHES NOMINAL
BODY OUTSIDE DIAMETER11.621 INCHES MINIMUM AND
11.623 INCHES MAXIMUM
BODY INSIDE DIAMETER8.875 INCHES MINIMUM AND
8.878 INCHES MAXIMUM
LEFT SIDE FLANGE THICKNESS0.375 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS0.375 INCHES NOMINAL
DISTANCE BETWEEN FLANGES1.005 INCHES MINIMUM AND
1.007 INCHES MAXIMUM
END TO FLANGE DISTANCE1.375 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER7.625 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.375 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS5.719 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS6.032 INCHES NOMINAL
DISTANCE BELOW CENTERLINE0.094 INCHES NOMINAL
DISTANCE FROM END0.500 INCHES NOMINAL
CORNER SHAPESQUARE INSIDE LEFT CORNER
ROUND INSIDE RIGHT CORNER
SQUARE OUTSIDE LEFT CORNER
SQUARE OUTSIDE RIGHT CORNER
CORNER RADIUS0.750 INCHES NOMINAL INSIDE RIGHT CORNER
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
SPECIAL FEATURESGROOVED ON EXTERNAL FLANGE 0.750 IN. DIA BY 1.250 IN. DEEP WITH 0.375 IN. RADIUS AT CLOSED END ON A 10.250 IN. DIA CENTER LINE OF GROOVE


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