3120-01-286-0908 BEARING,SLEEVE Index 3120-01-286-0910 BUSHING,SLEEVE

National Stock Number:
3120-01-286-0909

Federal Supply Class:
3120

National Item Identification Number:
012860909

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:
SSN593-520-1862475 PIECE 553711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY3 HOLE
BODY INSIDE DIAMETER3.7570 INCHES MINIMUM AND 3.7620 INCHES MAXIMUM
BODY OUTSIDE DIAMETER4.2610 INCHES MINIMUM AND 4.2630 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER4.4900 INCHES MINIMUM AND 4.4950 INCHES MAXIMUM
FLANGE WIDTH0.5000 INCHES NOMINAL
HOLE DIAMETER0.2500 INCHES NOMINAL FIRST
OVERALL LENGTH6.7500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 922 OVERALL
SPECIAL FEATURESOD IS REDUCED ON RIGHT END TO 4.2510 IN. DIA MIN TO 4.2530 IN. DIA MAX
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH63.0 MICROINCHES RIGHT END SURFACE OF BODY


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