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 |
|---|---|
| 80064 | NAVAL SHIP SYSTEMS COMMAND |
Federal Supply Class
Title
MISCELLANEOUS POWER TRANSMISSION
Inclusions:
INCLUDES SHAFTS AND SHAFTING; COLLARS; GEARSHAFTS; BALL JOINTS; ACTUATING CYLINDERS.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| FEAT | SPECIAL FEATURES | BOTH ENDS FLANGED |
| CFFW | SHAFT LOCATION | ONE END OF WORM |
| ABHP | OVERALL LENGTH | 9.625 INCHES NOMINAL |
| CFFF | WORM PRESSURE ANGLE IN DEG | 20.000 |
| CFFG | WORM HELIX ANGLE | 20 DEG |
| CFFK | WORM OUTSIDE DIAMETER | 1.933 INCHES NOMINAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 2.937 INCHES NOMINAL EITHER END, FIRST PORTION |
| MATL | MATERIAL | STEEL,MIL-S-890,CLASS AN |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.374 INCHES MINIMUM EITHER END, FIRST PORTION |
| CFFP | WORM BODY LENGTH | 8.373 INCHES MINIMUM AND 8.377 INCHES MAXIMUM |
| CFFC | WORM THREAD LEAD | 1.9452 INCHES NOMINAL |
| CFFB | WORM THREAD QUANTITY | 4 |
| CFFD | WORM THREAD DIRECTION | LEFT-HAND |
| CFFN | WORM THREAD SECTION LENGTH | 2.500 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.375 INCHES MAXIMUM EITHER END, FIRST PORTION |
| CFFL | WORM PITCH DIAMETER | 1.701 INCHES NOMINAL |