3110-01-281-9232 BEARING,ROLLER,NEEDLE Index 3120-01-281-9234 BEARING,SLEEVE

National Stock Number:
3120-01-281-9233

Federal Supply Class:
3120

National Item Identification Number:
012819233

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:
65B991018894AIR ARMAMENT CENTER/ EN
AA307-1170417CHRYSLER CORP AMPLEX DIV
MS17795-22881346AMERICAN SOCIETY FOR TESTING AND MATERIALS
MS17795-22896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BODY INSIDE DIAMETER0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.3770 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
HARDNESS RATING30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL
OVERALL LENGTH0.7500 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TYPE 1,GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 841 OVERALL
MATERIALOIL LUBRICATING LUBRICATION
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES


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