4710-01-145-4530 TUBE ASSEMBLY,METAL Index 5998-01-145-4533 CIRCUIT CARD ASSEMBLY

National Stock Number:
3040-01-145-4531

Federal Supply Class:
3040

National Item Identification Number:
011454531

Description:
BELL CRANK

Detail:
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).


Manufacturer Information:
70400-02207-10278286SIKORSKY AIRCRAFT CORPORATION
70400-02207-10281996U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
END HOLE/BALL DIAMETER0.3145 INCHES MINIMUM AND 0.3155 INCHES MAXIMUM FIRST END
BORE DIAMETER1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM
BORE LENGTH2.083 INCHES MINIMUM AND 2.103 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL3.757 INCHES NOMINAL FIRST END
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL4.981 INCHES NOMINAL SECOND END
COUNTERBORE DIAMETER1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM
COUNTERBORE DEPTH0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
SPECIAL FEATURESREMOVE ONE SEAL FROM BEARING IN BB ARM AND INSTALL BEARING WITH SEAL SIDE FACING OUT
STYLE DESIGNATORCLEVIS ENDS
SURFACE TREATMENTANODIZE


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