NSN 3120-00-287-8643
Part Details | SLEEVE BEARING
3120-00-287-8643 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.
Alternate Parts: 202405, 8393287, 3120-00-287-8643, 00-287-8643, 3120002878643, 002878643
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
31 | JAN 01, 1963 | 00-287-8643 | 13205 ( BEARING, SLEEVE ) |
REFERENCE DRAWINGS & PICTURES
SPLIT, EXTERNAL FLANGE ONE END

Cross Reference | NSN 3120-00-287-8643
Part Number | Cage Code | Manufacturer |
---|---|---|
202405 | 02978 | L3 TECHNOLOGIES, INC.DBA COMBAT PROPULSION SYSTEMS |
8393287 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 3120-00-287-8643
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | SPLIT, EXTERNAL FLANGE ONE END |
OVERALL LENGTH | 2.8800 INCHES NOMINAL |
BODY OUTSIDE DIAMETER | 0.9045 INCHES MINIMUM AND 0.9055 INCHES MAXIMUM |
BODY INSIDE DIAMETER | 0.7305 INCHES MINIMUM AND 0.7325 INCHES MAXIMUM |
FLANGE OUTSIDE DIAMETER | 1.2500 INCHES NOMINAL |
FLANGE WIDTH | 0.1180 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM |
SPECIAL FEATURES | 0.9245 IN MAX,0.9235 IN MIN,DIA BY 1.2800 IN LG. SHOULDER W/RADIUS OF0.0200 IN. AT CORNER ON FLANGE END,0.7700 IN. DIA BY 0.5000IN. COUNTERBORE W/RADIUS OF 0.0200 IN. AT CORNER ON PLAIN END |