3120-00-288-4921 BEARING,SLEEVE Index 3120-00-288-4928 BEARING,SLEEVE

National Stock Number:
3120-00-288-4925

Federal Supply Class:
3120

National Item Identification Number:
002884925

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:
4B18-4-20643999THE BOEING COMPANY


Techincal Specification:
BODY INSIDE DIAMETER0.2090 INCHES MINIMUM AND 0.2190 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.3730 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
MATERIALCOPPER ALLOY OVERALL
OVERALL LENGTH0.3840 INCHES MINIMUM AND 0.3990 INCHES MAXIMUM
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH250.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH250.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH250.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE FINISH250.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE TREATMENTCADMIUM OVERALL


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