NSN 3040-00-074-8964
Part Details | WORM SHAFT
3040-00-074-8964 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: 8626338, 3040-00-074-8964, 00-074-8964, 3040000748964, 000748964
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | JAN 01, 1963 | 00-074-8964 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-00-074-8964
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8626338 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 3040-00-074-8964
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| TEETH HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| SHAFT HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT | PASSIVATE |
| WORM THREAD QUANTITY | 1 |
| WORM PRESSURE ANGLE IN DEG | 14.500 |
| WORM THREAD LEAD | 0.143 INCHES NOMINAL |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM HELIX ANGLE | 6 DEG 52 MIN |
| WORM OUTSIDE DIAMETER | 0.462 INCHES MINIMUM AND 0.467 INCHES MAXIMUM |
| WORM PITCH DIAMETER | 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| WORM THREAD SECTION LENGTH | 0.750 INCHES NOMINAL |
| WORM BODY LENGTH | 1.328 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| OVERALL LENGTH | 1.850 INCHES MINIMUM AND 1.870 INCHES MAXIMUM |
| SPECIAL FEATURES | THIRD PORTION OF SECOND END FACE SLOTTED,0.057 PLUS 0.010 IN. WIDE,0.0625 PLUS 0.0156 IN.DEEP |
