Part Number
Part Number:
NSN:
NIIN:
Item Name:
BELL CRANK
Definition:
AN ITEM IN THE FORM OF TWO ARMS AT AN ANGLE, HAVING ITS FULCRUM AT THE APEX OF THE ANGLE, AND USED TO PROVIDE A MEANS OF CHANGING THE DIRECTION OR VARYING THE INTENSITY OF A PUSHING OR PULLING FORCE. SEE ALSO ARM (AS MODIFIED); AND LEVER (AS MODIFIED).
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
AIRFRAME STRUCTURAL COMPONENTS
Inclusions:
INCLUDES FLIGHT CONTROL SURFACES; INTERNAL AND EXTERNAL AUXILIARY FUEL TANKS; EXHAUST SYSTEMS; PYLONS, TRIM TABS; AIRCRAFT.
Exclusions:
EXCLUDES FITTED COVERS; HELICOPTER ROTOR BRAKE SYSTEM COMPONENTS; AIRCRAFT LOOSE EQUIPMENT AND ALTERNATE MISSION CONFIGURATION EQUIPMENT STORED ON BOARD THE AIRCRAFT.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ADGE | BORE LENGTH | 2.375 INCHES MINIMUM AND 2.380 INCHES MAXIMUM |
| AAWZ | COUNTERBORE DEPTH | 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| MATT | MATERIAL | MAGNESIUM ALLOY |
| AAWY | COUNTERBORE DIAMETER | 2.187 INCHES MINIMUM AND 2.188 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 2.062 INCHES NOMINAL |