4140-01-524-8106 FAN ASSEMBLY,CENTRIFUGAL Index 3020-01-524-8108 GEAR,SPUR

National Stock Number:
3120-01-524-8107

Federal Supply Class:
3120

National Item Identification Number:
015248107

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:
AS819340U583SAE INTERNATIONAL
AS8193481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
M81934-2-09A00781348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MIL-B-81934/281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
ALUMINUM ALLOY 2024 OUTER LAYER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3 T8511 FED SPEC SINGLE MATERIAL RESPONSE OR
QQ-A-225/6 T851 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
SURFACE TREATMENTANODIZE OR
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 T1 IR T2 MIL SPEC 1ST TREATMENT RESPONSE OR
MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH0.3287 INCHES MINIMUM AND
0.3437 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.6887 INCHES MINIMUM AND
0.6892 INCHES MAXIMUM
BODY INSIDE DIAMETER0.5630 INCHES MINIMUM AND
0.5640 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER1.1050 INCHES MINIMUM AND
1.1250 INCHES MAXIMUM
FLANGE WIDTH0.0575 INCHES MINIMUM AND
0.0625 INCHES MAXIMUM
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
SQUARE OUTSIDE RIGHT CORNER
SQUARE INSIDE RIGHT CORNER
SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
UNDERCUT LEFT FLANGE BODY CORNER
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEM81934-2-09A007


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