NSN 3040-00-073-7478
Part Details | WORM SHAFT
3040-00-073-7478 A drive shaft having helical thread(s) on a portion of its outer surface, machined bearing surface(s) and facilities for driving (other than a hub) on one or both ends of shaft. Designed to mate with a cam, gear sector, worm wheel, etc. Includes items with bearings. Excludes items having more than one worm complement of helical threads, items with a separate complement of gear teeth, and GEAR, WORM.
Alternate Parts: 1649171, 3040-00-073-7478, 00-073-7478, 3040000737478, 000737478
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | AUG 05, 1967 | 00-073-7478 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-00-073-7478
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1649171 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 3040-00-073-7478
| Characteristic | Specifications |
|---|---|
| SURFACE TREATMENT | PASSIVATE |
| WORM THREAD QUANTITY | 4 |
| WORM PRESSURE ANGLE IN DEG | 20.000 |
| WORM THREAD LEAD | 0.4207 INCHES NOMINAL |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM HELIX ANGLE | 21 DEG 2 MIN. |
| WORM OUTSIDE DIAMETER | 0.416 INCHES NOMINAL |
| WORM PITCH DIAMETER | 0.348 INCHES NOMINAL |
| WORM THREAD SECTION LENGTH | 0.750 INCHES NOMINAL |
| WORM BODY LENGTH | 1.375 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| OVERALL LENGTH | 4.250 INCHES NOMINAL |
