NSN 3040-01-303-7501
Part Details | WORM SHAFT
3040-01-303-7501 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: 2540040, 3040-01-303-7501, 01-303-7501, 3040013037501, 013037501
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | JUL 04, 1989 | 01-303-7501 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-01-303-7501
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2540040 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 3040-01-303-7501
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| TEETH HARDNESS RATING | RCB48.0 ROCKWELL C MAXIMUM AND 52.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT | ANODIZE |
| WORM THREAD QUANTITY | 1 |
| WORM PRESSURE ANGLE IN DEG | 14.500 |
| WORM THREAD LEAD | 0.1963 INCHES NOMINAL |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM HELIX ANGLE | 5 DEG 43 MIN |
| WORM OUTSIDE DIAMETER | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| WORM PITCH DIAMETER | 0.6250 INCHES NOMINAL |
| WORM THREAD SECTION LENGTH | 1.850 INCHES MINIMUM AND 1.870 INCHES MAXIMUM |
| WORM BODY LENGTH | 1.847 INCHES MINIMUM AND 1.857 INCHES MAXIMUM |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| OVERALL LENGTH | 4.172 INCHES MAXIMUM |