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 |
|---|---|
| 43999 | BOEING COMPANY THE DBA BOEING DIV DE |
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 |
|---|---|---|
| CZLN | END HOLE/BALL DIAMETER | 0.250 INCHES NOMINAL 1ST END |
| CZLN | END HOLE/BALL DIAMETER | 0.312 INCHES MINIMUM 2ND END AND 0.313 INCHES MAXIMUM 2ND END |
| CZLM | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 1.375 INCHES NOMINAL 1ST END |
| MATT | MATERIAL | STEEL |
| ADGE | BORE LENGTH | 0.344 INCHES MINIMUM AND 0.354 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.811 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| CZLM | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 1.500 INCHES NOMINAL 2ND END |
| STYL | STYLE DESIGNATOR | RAISED FACE PIVOT HOLE W/HEEL, CLEVIS ONE END |