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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
0JRC1 NORTHROP GRUMMAN TECHNICAL SERVICES

Federal Supply Class

Title

MISCELLANEOUS AIRCRAFT ACCESSORI

Inclusions:

INCLUDES CONTROL ASSEMBLIES, PUSH-PULL; BRACE, POSITIONING CARGO RAMP STOWED ON BOARD; COCKPIT MOUNTED CONTROL QUADRANTS; ACTUATORS, ELECTRO-MECHANICAL AND MECHANICAL; VENTILATORS; RELIEF TUBES; MAP HOLDERS; AERIAL GLIDER TOWING ACCESSORIES ATTACHED TO AIRCRAFT; BELTS, SAFETY AND LAP; HARNESS, SHOULDER AND SAFETY; LITTER ATTACHING SUPPORTS;ELECTRIC WINDSHIELD WIPERS;AIRCRAFT ONBOARD INERT GAS GENERATORS;AIRCRAFT FURNITURE;AIRCRAFT MOUNTED WINCHES AND HOISTS;IN-FLIGHT REFUELING SYSTEM COMPONENTS, INCLUDING FUEL COMPONENTS;AIRCRAFT CURTAINS;CABLE TENSION REGULATORS;SUN VISORS;REAR-VIEW MIRRORS;MECHANICAL TRANSMISSIONS, GEARBOXES AND CONSTANT SPEED DRIVES SPECIALLY DESIGNED FOR AIRCRAFT.

Exclusions:

EXCLUDES ENGINE MOUNTED CONTROL ASSEMBLIES; FITTED COVERS, AIRCRAFT PYLONS; HELICOPTER ROTER BRAKE SYSTEM COMPONENTS; HELICOPTER AUTOMATIC STABILIZATION EQUIPMENT.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
FEAT SPECIAL FEATURES THIS ITEM HAS BEEN DETERMINED TO BE A CRITICAL APPLICATION ITEM. IN-FLIGHT FAILURE OF THIS ITEM WOULD CREATE A HAZARDOUS CONDITION
ADGE BORE LENGTH 1.250 INCHES NOMINAL
AAWZ COUNTERBORE DEPTH 0.920 INCHES NOMINAL
MATT MATERIAL MAGNESIUM ALLOY
ABXV BORE DIAMETER 0.750 INCHES NOMINAL
CRTL CRITICALITY CODE JUSTIFICATION FEAT
AAWY COUNTERBORE DIAMETER 0.876 INCHES NOMINAL

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