4820-00-072-6971 SEAT,VALVE Index 3940-00-072-6973 BEAM,HOISTING

National Stock Number:
3120-00-072-6972

Federal Supply Class:
3120

National Item Identification Number:
000726972

Description:
BEARING,SLEEVE

Detail:
A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.


Manufacturer Information:
A900716712SIEMENS ENERGY, INC.
F7274PC96716712SIEMENS ENERGY, INC.
GJ21516712SIEMENS ENERGY, INC.


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
BODY INSIDE DIAMETER3.0620 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.5010 INCHES MINIMUM AND 3.5020 INCHES MAXIMUM
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPERELIEF GROOVE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER4.0000 INCHES NOMINAL
FLANGE WIDTH0.2500 INCHES NOMINAL
HOLE DIAMETER0.5000 INCHES NOMINAL FIRST
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16522,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 862 OR COPPER ALLOY 863 OVERALL
OVERALL LENGTH4.2500 INCHES NOMINAL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY


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