Part Details | SHOULDERED SHAFT
3040-01-077-2878 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: 3224137, 3224042 ITEM 13, 3224040 ITEM 13, 3040-01-077-2878, 01-077-2878, 3040010772878, 010772878
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAY 20, 1979 | 01-077-2878 | 22914 ( SHAFT, SHOULDERED ) |
REFERENCE DRAWINGS & PICTURES
FLAT KEYWAY
FLAT KEYWAY
Cross Reference | NSN 3040-01-077-2878
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3224137 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 3224042 ITEM 13 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 3224040 ITEM 13 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 3040-01-077-2878
| Characteristic | Specifications |
|---|---|
| FIRST END STYLE | 0 FLAT KEYWAY |
| MATERIAL | COPPER ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL A,COLD DRAWN,STRESS EQUALIZED,FORM 1 FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE FINISH | 63.0 MICROINCHES |
| FIRST END GROOVE WIDTH | 0.1250 INCHES NOMINAL |
| FIRST END GROOVE DIAMETER | 2.1250 INCHES NOMINAL |
| FIRST END DISTANCE FROM END TO GROOVE | 1.750 INCHES NOMINAL |
| FIRST END DIAMETER | 2.2500 INCHES NOMINAL |
| FIRST END EXTERNAL THREAD LENGTH | 1.750 INCHES NOMINAL |
| END SIMILARITY | NOT IDENTICAL |
| SECOND END STYLE | 0 FLAT KEYWAY |
| SECOND END GROOVE WIDTH | 0.1250 INCHES NOMINAL |
| SECOND END GROOVE DIAMETER | 2.3120 INCHES NOMINAL |
| SECOND END DISTANCE FROM END TO GROOVE | 2.625 INCHES NOMINAL |
| SECOND END DIAMETER | 2.4370 INCHES NOMINAL |
| SECOND END EXTERNAL THREAD LENGTH | 2.750 INCHES NOMINAL |
| LARGEST STEP DIAMETER | 2.495 INCHES NOMINAL |
| OVERALL LENGTH | 48.577 INCHES MINIMUM AND 48.617 INCHES MAXIMUM |
| STEP QUANTITY | 3 |