Part Number
Part Number:
NSN:
NIIN:
Item Name:
WORM SHAFT
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFF | WORM PRESSURE ANGLE IN DEG | 16.667 |
| MATL | MATERIAL | STEEL |
| CFFK | WORM OUTSIDE DIAMETER | 0.718 INCHES NOMINAL |
| CFFL | WORM PITCH DIAMETER | 0.612 INCHES NOMINAL |
| CFFN | WORM THREAD SECTION LENGTH | 0.718 INCHES NOMINAL |
| CFFC | WORM THREAD LEAD | 0.166 INCHES NOMINAL |
| CFFB | WORM THREAD QUANTITY | 4 |
| CFFG | WORM HELIX ANGLE | 4 DEGREES 57 MINUTES |
| CFFD | WORM THREAD DIRECTION | LEFT-HAND |
| ABHP | OVERALL LENGTH | 2.812 INCHES NOMINAL |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |