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 |
|---|---|
| 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
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 |
|---|---|---|
| CFFK | WORM OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| ABHP | OVERALL LENGTH | 19.930 INCHES NOMINAL |
| CFQQ | SHAFT SECTION SIZE | 0.500 ACROSS FLATS SECOND END |
| CCKD | SECTION SHAPE | SQUARE SECOND END |
| CFFB | WORM THREAD QUANTITY | 1 |
| CFFP | WORM BODY LENGTH | 16.580 INCHES NOMINAL |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| FEAT | SPECIAL FEATURES | ACME THREAD PER MIL-STD-H28/12 |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |