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National Stock Number:
3120-00-431-2131
Federal Supply Class:
3120
National Item Identification Number:
004312131
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.
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Manufacturer Information:
| 21A744-8 | 45320 | PACCAR GOVERNMENT GROUP CO YARROW BAY OFFICE PK | | 8682905 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | SOLID, PLAIN, NO OUTSIDE FLANGES | | OVERALL LENGTH | 2.5000 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 3.3780 INCHES MINIMUM AND | | 3.3800 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 2.8740 INCHES MINIMUM AND | | 2.8760 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | SURFACE FINISH | 125.0 MICROINCHES OVERALL | | LUBRICATION MATERIAL | LUBRICATING OIL |
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