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National Stock Number:
3120-00-288-4911
Federal Supply Class:
3120
National Item Identification Number:
002884911
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:
| 4B21S5-029 | 43999 | THE BOEING COMPANY | | LD137-0017-3029 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CHROMIUM OUTSIDE DIAMETER SURFACE OF BODY | | STYLE DESIGNATOR | SOLID, PLAIN, NO OUTSIDE FLANGES | | OVERALL LENGTH | 0.9012 INCHES MINIMUM AND | | 0.9062 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.4355 INCHES MINIMUM AND | | 0.4360 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.3120 INCHES MINIMUM AND | | 0.3130 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | SURFACE FINISH | 250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | 16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY | | 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
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