NSN 3040-00-518-0890
Part Details | WORM SHAFT
3040-00-518-0890 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: 5180890, 3040-00-518-0890, 00-518-0890, 3040005180890, 005180890
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | JAN 01, 1963 | 00-518-0890 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-00-518-0890
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5180890 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 3040-00-518-0890
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| TEETH HARDNESS RATING | RCB26.0 ROCKWELL C MAXIMUM AND 31.0 ROCKWELL C MAXIMUM |
| SHAFT HARDNESS RATING | RCB26.0 ROCKWELL C MAXIMUM AND 31.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT | PASSIVATE |
| WORM THREAD QUANTITY | 1 |
| WORM PRESSURE ANGLE IN DEG | 29.000 |
| WORM THREAD LEAD | 0.1666 INCHES NOMINAL |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM HELIX ANGLE | 5 DEG 52 MIN |
| WORM OUTSIDE DIAMETER | 0.625 INCHES NOMINAL |
| WORM PITCH DIAMETER | 0.519 INCHES NOMINAL |
| WORM THREAD SECTION LENGTH | 0.810 INCHES NOMINAL |
| WORM BODY LENGTH | 0.810 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| OVERALL LENGTH | 5.313 INCHES NOMINAL |
| FSC APPLICATION DATA | MOUNT,TELESCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT |