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National Stock Number:
3120-12-172-7031
Federal Supply Class:
3120
National Item Identification Number:
121727031
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:
| 4550DU | C3223 | GGB GERMANY GMBH & CO. KG | | 80052000 | D8092 | KOLBENSCHMIDT PIERBURG AG | | MB4550DU | 01417 | GENERAL DYNAMICS LAND SYSTEMS INC. | | MB4550DU | D1983 | KRAUSS-MAFFEI WEGMANN GMBH & CO. KG | | MB4550DU | D8092 | KOLBENSCHMIDT PIERBURG AG | | PAP4550P10 | D8092 | KOLBENSCHMIDT PIERBURG AG | | PAP4550P10 | D8984 | SCHAEFFLER TECHNOLOGIES AG & CO. KG |
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Techincal Specification:
| BODY INSIDE DIAMETER | 45,0 MILLIMETERS NOMINAL | | BODY OUTSIDE DIAMETER | 50,0 MILLIMETERS NOMINAL | | CORNER SHAPE | SQUARE ALL CORNERS | | MATERIAL | COPPER ALLOY 2.1030 AND PLASTIC POLYTETRAFLUOROETHYLENE AND LEAD INTERMEDIATE LAYER | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE AND LEAD INNER LAYER | | MATERIAL | STEEL COMP 1.0333 OUTER LAYER | | OVERALL LENGTH | 49,75 MILLIMETERS MINIMUM AND 50,25 MILLIMETERS MAXIMUM | | STYLE DESIGNATOR | SPLIT, PLAIN, NO OUTSIDE FLANGES |
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