4820-01-009-5918 PISTON,VALVE Index 4920-01-009-5920 ADAPTER,INTERFACE

National Stock Number:
4320-01-009-5919

Federal Supply Class:
4320

National Item Identification Number:
010095919

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:
NA128983130AIR & LIQUID SYSTEMS CORPORATION


Techincal Specification:
DISTANCE FROM END TO GROOVE CENTER0.157 INCHES NOMINAL
BODY INSIDE DIAMETER6.526 INCHES MINIMUM AND 6.528 INCHES MAXIMUM
BODY OUTSIDE DIAMETER7.499 INCHES MINIMUM AND 7.500 INCHES MAXIMUM
BODY STYLEGROOVED W/INTERNAL AND EXTERNAL FLANGE
CENTER FLANGE THICKNESS0.172 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
CORNER RADIUS0.250 INCHES NOMINAL INSIDE RIGHT CORNER
CORNER SHAPEROUND INSIDE RIGHT CORNER
DISTANCE BELOW CENTERLINE0.062 INCHES NOMINAL
END TO FLANGE DISTANCE0.325 INCHES NOMINAL
GROOVE DEPTH0.125 INCHES NOMINAL
GROOVE WIDTH0.190 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER5.375 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.312 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS4.235 INCHES MINIMUM AND 4.250 INCHES MAXIMUM
OVERALL LENGTH0.875 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC ALL MATERIAL RESPONSES
MATERIALNICKEL ALLOY
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS3.985 INCHES MINIMUM AND 4.000 INCHES MAXIMUM


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