NSN 3040-01-057-6545
Part Details | WORM SHAFT
3040-01-057-6545 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: 11741741, 3040-01-057-6545, 01-057-6545, 3040010576545, 010576545
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAR 17, 1978 | 01-057-6545 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-01-057-6545
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11741741 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 3040-01-057-6545
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING |
| TEETH HARDNESS RATING | RCB28.0 ROCKWELL C MAXIMUM AND 33.0 ROCKWELL C MAXIMUM |
| SHAFT HARDNESS RATING | RCB28.0 ROCKWELL C MAXIMUM AND 33.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT | PASSIVATE |
| WORM THREAD QUANTITY | 7 |
| WORM PRESSURE ANGLE IN DEG | 14.500 |
| WORM THREAD LEAD | 0.083 INCHES NOMINAL |
| WORM THREAD DIRECTION | LEFT-HAND |
| WORM HELIX ANGLE | 4 DEG 47 MIN |
| WORM OUTSIDE DIAMETER | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| WORM PITCH DIAMETER | 0.315 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| WORM THREAD SECTION LENGTH | 0.605 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| OVERALL LENGTH | 2.850 INCHES MINIMUM AND 2.870 INCHES MAXIMUM |
| BEARING TYPE | BALL |
| BEARING QUANTITY | 1 |
| BEARING DIAMETER | 0.562 INCHES NOMINAL |