Part Details | WORM SHAFT
3040-00-087-6533 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: 7660476, 7660476, 3040-00-087-6533, 00-087-6533, 3040000876533, 000876533
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAY 06, 1967 | 00-087-6533 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-00-087-6533
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7660476 | 19205 | SPRINGFIELD ARMORY |
| 7660476 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 3040-00-087-6533
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| TEETH HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| SHAFT HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| WORM THREAD QUANTITY | 1 |
| WORM PRESSURE ANGLE IN DEG | 14.500 |
| WORM THREAD LEAD | 0.098 INCHES NOMINAL |
| WORM THREAD DIRECTION | LEFT-HAND |
| WORM HELIX ANGLE | 3 DEG 10 MIN |
| WORM OUTSIDE DIAMETER | 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| WORM PITCH DIAMETER | 0.560 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| WORM THREAD SECTION LENGTH | 0.680 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| WORM BODY LENGTH | 2.251 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| OVERALL LENGTH | 5.320 INCHES MINIMUM AND 5.330 INCHES MAXIMUM |
| SPECIAL FEATURES | 2 PIN HOLES 0.078 IN. DIA,LOCATED ON FOURTH PORTION OF SECOND END |
| FSC APPLICATION DATA | TELESCOPE,PANORAMIC |