Part Details | SHOULDERED SHAFT
3040-00-121-6942 A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.
Alternate Parts: 20507831, 2050783-1, 3040-00-121-6942, 00-121-6942, 3040001216942, 001216942
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | NOV 04, 1968 | 00-121-6942 | 22914 ( SHAFT, SHOULDERED ) |
REFERENCE DRAWINGS & PICTURES
SPLINED (STRAIGHT)
SPLINED (STRAIGHT)
Cross Reference | NSN 3040-00-121-6942
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2050783-1 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 3040-00-121-6942
| Characteristic | Specifications |
|---|---|
| FIRST END STYLE | SPLINED (STRAIGHT) |
| MATERIAL | STEEL COMP 1020 |
| SURFACE FINISH | 32.0 MICROINCHES |
| FIRST END DIAMETER | 0.9990 INCHES NOMINAL |
| FIRST END SPLINE LENGTH | 1.375 INCHES NOMINAL |
| FIRST END SPLINE MINOR DIAMETER | 0.8370 INCHES NOMINAL |
| FIRST END SPLINE MAJOR DIAMETER | 0.9990 INCHES NOMINAL |
| FIRST END SPLINE QUANTITY | 6 |
| END SIMILARITY | NOT IDENTICAL |
| SECOND END STYLE | SPLINED (STRAIGHT) |
| SECOND END DIAMETER | 0.9990 INCHES NOMINAL |
| SECOND END SPLINE LENGTH | 1.399 INCHES NOMINAL |
| SECOND END SPLINE MINOR DIAMETER | 0.8370 INCHES NOMINAL |
| SECOND END SPLINE MAJOR DIAMETER | 0.9990 INCHES NOMINAL |
| SECOND END SPLINE QUANTITY | 6 |
| LARGEST STEP DIAMETER | 1.188 INCHES NOMINAL |
| OVERALL LENGTH | 24.688 INCHES NOMINAL |
| STEP QUANTITY | 2 |
| FSC APPLICATION DATA | LAUNCHER,GUIDED MISSILE,CARRIER MOUNTED |