NSN 3040-00-385-7731
Part Details | WORM SHAFT
3040-00-385-7731 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: 7186995, 3040-00-385-7731, 00-385-7731, 3040003857731, 003857731
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | JAN 01, 1963 | 00-385-7731 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-00-385-7731
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7186995 | 19204 | ARMY, UNITED STATES DEPARTMENT OFTHE |
Technical Data | NSN 3040-00-385-7731
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| TEETH HARDNESS RATING | RCB33.0 ROCKWELL C MAXIMUM AND 35.0 ROCKWELL C MAXIMUM |
| SHAFT HARDNESS RATING | RCB33.0 ROCKWELL C MAXIMUM AND 35.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT | OXIDE |
| WORM THREAD QUANTITY | 1 |
| WORM PRESSURE ANGLE IN DEG | 14.500 |
| WORM THREAD LEAD | 0.6253 INCHES NOMINAL |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM HELIX ANGLE | 4 DEG 34 MIN. |
| WORM OUTSIDE DIAMETER | 2.8866 INCHES NOMINAL |
| WORM PITCH DIAMETER | 2.4886 INCHES NOMINAL |
| WORM THREAD SECTION LENGTH | 3.750 INCHES NOMINAL |
| WORM BODY LENGTH | 6.376 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| OVERALL LENGTH | 10.563 INCHES NOMINAL |
| SPECIAL FEATURES | BOTH ENDS CHAMFERED 0.0625 BY 45 DEG AND THREAD SURFACE FINISH 32AA |
| FSC APPLICATION DATA | LAUNCHER,762-MM ROCKET,TRUCK MOUNTED,XM289 |