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 |
|---|---|
| 70898 | HAWKER BEECHCRAFT CORPORATION |
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 |
|---|---|---|
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.2475 INCHES MINIMUM FIRST END, FIRST PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.2475 INCHES MINIMUM FIRST END, FIRST PORTION |
| BYFR | TEETH HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFC | WORM THREAD LEAD | 0.200 INCHES NOMINAL |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFF | WORM PRESSURE ANGLE IN DEG | 14.500 |
| CFFW | SHAFT LOCATION | ONE END OF WORM |
| CFFX | STRAIGHT UNTHREADED LENGTH | 2.375 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFM | SHAFT HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| MATL | MATERIAL | STEEL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.2485 INCHES NOMINAL FIRST END, FIRST PORTION |
| ABHP | OVERALL LENGTH | 2.875 INCHES NOMINAL |
| CFFN | WORM THREAD SECTION LENGTH | 0.500 INCHES NOMINAL |
| CFFB | WORM THREAD QUANTITY | 2 |
| ZZZV | FSC APPLICATION DATA | TRIM TAB ATLERON ACTUATOR ASSY,AIRCRAFT |
| CFFK | WORM OUTSIDE DIAMETER | 0.4989 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM |
| CFFP | WORM BODY LENGTH | 0.500 INCHES NOMINAL |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFG | WORM HELIX ANGLE | 17 DEG 33 MIN |
| CFFL | WORM PITCH DIAMETER | 0.4398 INCHES MINIMUM AND 0.4458 INCHES MAXIMUM |