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 |
|---|---|
| 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
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 |
|---|---|---|
| CZLM | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 5.250 INCHES NOMINAL 2ND END |
| FEAT | SPECIAL FEATURES | RETAINER ALUMINUM ALLOY,QQ-A-25015 COMP 2024 TEMPER T3,0.063 IN. THK,0.500 IN.W,1.940 IN.WORKING LG LOCATEDON BB ARM |
| MATT | MATERIAL | ALUMINUM ALLOY |
| ABXV | BORE DIAMETER | 0.2500 INCHES NOMINAL |
| ADGE | BORE LENGTH | 1.920 INCHES NOMINAL |
| CZLM | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 2.750 INCHES NOMINAL 1ST END |