NSN 3040-00-546-9721
Part Details | WORM SHAFT
3040-00-546-9721 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: 8211668, 3040-00-546-9721, 00-546-9721, 3040005469721, 005469721
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | JAN 01, 1963 | 00-546-9721 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-00-546-9721
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8211668 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 3040-00-546-9721
| Characteristic | Specifications |
|---|---|
| WORM THREAD QUANTITY | 7 |
| WORM PRESSURE ANGLE IN DEG | 14.500 |
| WORM THREAD LEAD | 0.063 INCHES NOMINAL |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM HELIX ANGLE | 3 DEGREES 24 MINUTES |
| WORM OUTSIDE DIAMETER | 0.374 INCHES NOMINAL |
| WORM PITCH DIAMETER | 0.332 INCHES MINIMUM AND 0.334 INCHES MAXIMUM |
| WORM THREAD SECTION LENGTH | 0.437 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| OVERALL LENGTH | 3.687 INCHES NOMINAL |