4320-01-195-3869 RING,WEARING Index 4730-01-195-3871 PLUG,PIPE

National Stock Number:
4320-01-195-3870

Federal Supply Class:
4320

National Item Identification Number:
011953870

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:
1109554402RPS-FL, INC.
CA904383130AIR & LIQUID SYSTEMS CORPORATION
CA9043-9X83130AIR & LIQUID SYSTEMS CORPORATION
PL1.5VCM-1 ITEM 9X83130AIR & LIQUID SYSTEMS CORPORATION


Techincal Specification:
MATERIALCOPPER ALLOY 903
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE
BODY STYLEEXTERNAL FLANGE
OVERALL LENGTH0.750 INCHES NOMINAL
FLANGE DIAMETER4.214 INCHES MINIMUM AND
4.219 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.998 INCHES MINIMUM AND
3.999 INCHES MAXIMUM
BODY INSIDE DIAMETER2.014 INCHES MINIMUM AND
2.016 INCHES MAXIMUM
END TO FLANGE DISTANCE0.281 INCHES NOMINAL
CENTER FLANGE THICKNESS0.185 INCHES MINIMUM AND
0.187 INCHES MAXIMUM
POSITIONING HOLE WIDTH0.125 INCHES NOMINAL
POSITIONING HOLE DEPTH0.188 INCHES NOMINAL
CORNER SHAPESQUARE INSIDE LEFT CORNER
ROUND INSIDE RIGHT CORNER
SQUARE OUTSIDE LEFT CORNER
SQUARE OUTSIDE RIGHT CORNER
CORNER RADIUS0.125 INCHES NOMINAL INSIDE RIGHT CORNER
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
SPECIAL FEATURESTAPERED FROM RIGHT OUTSIDE CORNER TO RIGHT INSIDE CORNER 0.188 IN.


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