NSN 3040-00-490-4858
Part Details | WORM SHAFT
3040-00-490-4858 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: W21562, 3040-00-490-4858, 00-490-4858, 3040004904858, 004904858
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | SEP 22, 1969 | 00-490-4858 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-00-490-4858
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| W21562 | 70255 | EMERSON ELECTRIC COALCO CONTROLS DIV |
Technical Data | NSN 3040-00-490-4858
| Characteristic | Specifications |
|---|---|
| SHAFT HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| WORM THREAD QUANTITY | 4 |
| WORM PRESSURE ANGLE IN DEG | 20.000 |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM OUTSIDE DIAMETER | 0.375 INCHES NOMINAL |
| WORM PITCH DIAMETER | 0.322 INCHES MINIMUM AND 0.325 INCHES MAXIMUM |
| WORM THREAD SECTION LENGTH | 0.750 INCHES NOMINAL |
| WORM BODY LENGTH | 1.326 INCHES NOMINAL |
| SHAFT LOCATION | ONE END OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| OVERALL LENGTH | 1.959 INCHES NOMINAL |