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National Stock Number:
3120-00-693-6721
Federal Supply Class:
3120
National Item Identification Number:
006936721
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:
| 4B21S4-102 | 43999 | THE BOEING COMPANY | | LD137-0017-2034 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.3730 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL | | OVERALL LENGTH | 1.0575 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OVERALL | | STYLE DESIGNATOR | SOLID, PLAIN, NO OUTSIDE FLANGES | | SURFACE FINISH | 125.0 MICROINCHES LEFT END SURFACE OF BODY | | SURFACE FINISH | 125.0 MICROINCHES RIGHT END SURFACE OF BODY | | SURFACE FINISH | 16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE TREATMENT | CHROMIUM OUTSIDE DIAMETER SURFACE OF BODY |
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