3120-01-234-1470 BEARING,SLEEVE Index 3120-01-234-1472 BUSHING,SLEEVE

National Stock Number:
3120-01-234-1471

Federal Supply Class:
3120

National Item Identification Number:
012341471

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:
SSN593-520-1862106 PIECE 1281316PORTSMOUTH NAVAL SHIPYARD
SSN612-520-1945957 PIECE 1281316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
BODY INSIDE DIAMETER2.0000 INCHES MINIMUM AND 2.0010 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.5000 INCHES NOMINAL
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPEROUND LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER3.5000 INCHES NOMINAL
FLANGE WIDTH0.2580 INCHES MINIMUM AND 0.2590 INCHES MAXIMUM
HOLE DIAMETER0.3750 INCHES NOMINAL FIRST
LUBRICANT ACCOMMODATION STYLEGROOVED STRAIGHT AND CIRCULAR
OVERALL LENGTH2.9940 INCHES MINIMUM AND 2.9950 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 938 OVERALL
MATERIALGREASE LUBRICATION
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH63.0 MICROINCHES OVERALL


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