Part Details | ROD END PLAIN BEARING
3120-01-251-3012 A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes BEARING, PLAIN, SPHERICAL and BEARING, PLAIN, SELF-ALIGNING.
Alternate Parts: M81935116K, M81935/1-16K, M81935116K, M81935/1-16K, AS81935, 3120-01-251-3012, 01-251-3012, 3120012513012, 012513012
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | MAR 17, 1987 | 01-251-3012 | 13209 ( BEARING, PLAIN, ROD END ) |
REFERENCE DRAWINGS & PICTURES
EXTERNALLY THREADED
BALL TYPE
Cross Reference | NSN 3120-01-251-3012
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| M81935/1-16K | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| M81935/1-16K | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS81935 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
Technical Data | NSN 3120-01-251-3012
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | BALL TYPE |
| OVERALL LENGTH | 5.5125 INCHES NOMINAL |
| BORE DIAMETER | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM |
| OUTER MEMBER OUTSIDE DIAMETER | 2.7650 INCHES MINIMUM AND 2.7850 INCHES MAXIMUM |
| BORE CENTER TO SHANK END DISTANCE | 4.1150 INCHES MINIMUM AND 4.1350 INCHES MAXIMUM |
| OUTER MEMBER WIDTH | 1.0100 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM |
| INNER MEMBER WIDTH | 1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM |
| SHANK STYLE | EXTERNALLY THREADED |
| SHANK THREAD LENGTH | 2.3120 INCHES MINIMUM AND 2.3740 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD DIAMETER | 1.250 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIAL FEATURES | KEYWAY IN SHANK 0.093 IN. MIN WIDE 0.098 IN. MAX WIDE; 0.060 IN. MIN DEEP 0.065 IN. MAX DEEP; SURFACE FINISH ON BALL PASSIVATE PER MIL-S-5002 OPTIONAL |
| SPECIFICATION/STANDARD DATA | 81349-MIL-B-81935 TO 1A GOVERNMENT SPECIFICATION |