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 |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| STYL | STYLE DESIGNATOR | CLEVIS ENDS |
| SFTT | SURFACE TREATMENT | ANODIZE |
| FEAT | SPECIAL FEATURES | CASEHARDENING INDICATOR, NOT CASEHARDENED; ANGLE IN DEG IS 90.0; ACCESSORY COMPONENTS AND QUANTITY IS BUSHING,4; BEARINGS NOT INCLUDED; COUNTERBORE FEATURE NOT INCLUDED; FULCRUM BORE PROVIDED; FULCRUM SHAFT NOT INCLUDED; FULCRUM SPLIT HUB NOT PROVIDED; CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND AA ARM END HOLE IS 3.703 INCHES NOMINAL; AA ARM END RADIUS IS 0.750 INCHES NOMINAL; AA ARM END HOLE DIAMETER IS 0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM; CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND BB ARM END HOLE IS 4.000 IN NOMINAL; BB ARM RADIUS IS 0.750 IN NOMINAL; AA ARM END THICKNESS IS 1.344 IN NOMINAL; BB ARM THICKNESS IS 1.375 IN NOMINAL; AA ARM SLOT DEPTH IS 1.750 IN NOMINAL; BB ARM END HOLE DIA IS 0.312 IN MIN. AND 0.313 IN MAX; BB ARM END THICKNESS IS 1.344 IN NOMINAL; BB ARM SLOT DEPTH IS 1.750 IN NOMINAL; AA ARM SLOT WIDTH IS 0.903 IN MIN AND 0.913 IN MAX; BB ARM HORIZONTAL SLOT WIDTH IS 0.903 IN MIN AND 0.913 IN MAX |
| MATT | MATERIAL | ALUMINUM ALLOY |
| ABXV | BORE DIAMETER | 1.814 INCHES MINIMUM AND 1.815 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 1.939 INCHES NOMINAL |