3120-00-661-3991 BEARING,SLEEVE Index 3120-00-661-3997 BEARING,SLEEVE

National Stock Number:
3120-00-661-3996

Federal Supply Class:
3120

National Item Identification Number:
006613996

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:
74873210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BODY INSIDE DIAMETER1.7712 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.1653 INCHES MINIMUM AND 2.1656 INCHES MAXIMUM
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH0.7500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,NO. 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY


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