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National Stock Number:
3120-01-572-5140
Federal Supply Class:
3120
National Item Identification Number:
015725140
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:
| 822925 | 77445 | RTX CORPORATION |
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Techincal Specification:
| CORNER SHAPE | SQUARE ALL CORNERS | | CRITICALITY CODE JUSTIFICATION | FEAT | | MATERIAL | STEEL COMP 632 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SPACER-NUMBER 4-1/2 BEARING SEAL | | SPECIAL FEATURES | I.D.-3.9712 TO 3.9732,O.D.-4.295 TO 4.305,WIDTH-.639 TO .643,FLANGE O.D.-4.862 TO 4.866; THE CRITICALITY CODE CHANGE TO F IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE AND OPERATION. A FAILURE COULD CAUSE CATASTROPHIC OR CRITICAL FAILURE RESULTING IN THE LOSS OF OR SERIOUS DAMAGE TO THE AIRCRAFT OR WEAPON SYSTEM OR AN UNCOMMANDED ENGINE SHUTDOWN THAT JEPORDIZES SAFETY |
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