5990-00-510-2098 SYNCHRO,RECEIVER Index 3020-00-510-2112 PULLEY,GROOVE

National Stock Number:
3120-00-510-2105

Federal Supply Class:
3120

National Item Identification Number:
005102105

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:
4B21S4-11243999THE BOEING COMPANY


Techincal Specification:
BODY INSIDE DIAMETER0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.3730 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND C 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENTCHROMIUM OUTSIDE DIAMETER SURFACE OF BODY


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