NSN 3040-00-451-8780
Part Details | SHOULDERED SHAFT
3040-00-451-8780 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: 78684, 3040-00-451-8780, 00-451-8780, 3040004518780, 004518780
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAY 21, 1971 | 00-451-8780 | 22914 ( SHAFT, SHOULDERED ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
SPLINED (STRAIGHT)
PLAIN
SPLINED (STRAIGHT)
Cross Reference | NSN 3040-00-451-8780
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 78684 | 02101 | OECO, LLCDBA PACIFIC SCIENTIFIC OECO |
Technical Data | NSN 3040-00-451-8780
| Characteristic | Specifications |
|---|---|
| FIRST END STYLE | PLAIN |
| MATERIAL | STEEL COMP 416 |
| SURFACE FINISH | 63.0 MICROINCHES |
| FIRST END DIAMETER | 0.7874 INCHES NOMINAL |
| END SIMILARITY | NOT IDENTICAL |
| SECOND END STYLE | SPLINED (STRAIGHT) |
| SECOND END DIAMETER | 0.7874 INCHES NOMINAL |
| SECOND END SPLINE LENGTH | 0.625 INCHES NOMINAL |
| SECOND END SPLINE MINOR DIAMETER | 0.3952 INCHES MINIMUM AND 0.4049 INCHES MAXIMUM |
| SECOND END SPLINE MAJOR DIAMETER | 0.4970 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| SECOND END SPLINE QUANTITY | 11 |
| LARGEST STEP DIAMETER | 1.100 INCHES NOMINAL |
| OVERALL LENGTH | 7.536 INCHES NOMINAL |
| STEP QUANTITY | 2 |
| CRITICALITY CODE JUSTIFICATION | MATT |