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National Stock Number:
3120-00-287-9911
Federal Supply Class:
3120
National Item Identification Number:
002879911
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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Techincal Specification:
| BODY INSIDE DIAMETER | 1.9630 INCHES MINIMUM AND 1.9730 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 2.5010 INCHES MINIMUM AND 2.5020 INCHES MAXIMUM | | CORNER SHAPE | CHAMFERED ALL CORNERS | | FLANGE OUTSIDE DIAMETER | 2.9170 INCHES MINIMUM AND 2.9270 INCHES MAXIMUM | | FLANGE WIDTH | 0.2500 INCHES NOMINAL | | OVERALL LENGTH | 0.8750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B145-52,GRADE 4B 81346 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 838 OVERALL | | STYLE DESIGNATOR | SOLID, EXTERNAL FLANGE ONE END |
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