1680-00-789-4976, BELL CRANK

National Stock Number:
1680-00-789-4976

Federal Supply Class:
1680

National Item Identification Number:
007894976

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:

114C3319-1	77272	THE BOEING COMPANY
114C3319-1	81205	THE BOEING COMPANY
114C3319-20	77272	THE BOEING COMPANY

Techincal Specification:

END HOLE/BALL DIAMETER	0.376 INCHES MINIMUM AND 0.377 INCHES MAXIMUM SECOND END
END HOLE/BALL DIAMETER	0.438 INCHES MINIMUM AND 0.439 INCHES MAXIMUM FIRST END
BORE DIAMETER	0.960 INCHES NOMINAL
BORE LENGTH	2.312 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL	3.170 INCHES NOMINAL FIRST END
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL	6.500 INCHES NOMINAL SECOND END
COUNTERBORE DEPTH	0.325 INCHES NOMINAL
COUNTERBORE DIAMETER	1.123 INCHES MINIMUM AND 1.124 INCHES MAXIMUM
MATERIAL	MAGNESIUM
STYLE DESIGNATOR	RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS

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