4320-00-398-6886 RING,LANTERN Index 4320-00-398-6891 RING,WEARING

National Stock Number:
4320-00-398-6889

Federal Supply Class:
4320

National Item Identification Number:
003986889

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:
H4320-398-688903950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
H4320-398-688912004NAVAL SEA SYSTEMS COMMAND LOGISTICS SUPPORT ENGINEERING ACTIVITY
K583JTX516712SIEMENS ENERGY, INC.


Techincal Specification:
BODY INSIDE DIAMETER6.755 INCHES NOMINAL
BODY OUTSIDE DIAMETER7.375 INCHES NOMINAL
BODY STYLEINTERNAL AND EXTERNAL FLANGE
CENTER FLANGE THICKNESS0.499 INCHES NOMINAL
CORNER RADIUS0.500 INCHES NOMINAL INSIDE RIGHT CORNER
CORNER SHAPEROUND INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
END TO FLANGE DISTANCE0.588 INCHES NOMINAL
FLANGE DIAMETER8.250 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER5.500 INCHES NOMINAL
INTERNAL FLANGE LIP WIDTH0.536 INCHES NOMINAL
INTERNAL FLANGE OUTSIDE DIAMETER6.225 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.781 INCHES NOMINAL
III MATERIALCOPPER ALLOY
POSITIONING LUG LENGTH0.282 INCHES NOMINAL
POSITIONING LUG WIDTH0.750 INCHES NOMINAL
PROPRIETARY CHARACTERISTICSPACS
OVERALL LENGTH1.562 INCHES NOMINAL
SURFACE FINISH125.0 MICROINCHES OUTSIDE
SURFACE FINISH125.0 MICROINCHES LEFT FACE


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