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		                        | National Stock Number:
 1680-00-933-1311
 
 Federal Supply Class:
 1680
 
 National Item Identification Number:
 009331311
 
 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).
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 Manufacturer Information:
 
 | 369A7702 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |  | 369A7702 | 8V613 | THE BOEING COMPANY |  | 369N2680 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |  | 369N2680 | 8V613 | THE BOEING COMPANY | 
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 Techincal Specification:
 
 | SURFACE TREATMENT | DICHROMATE |  | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 2.430 INCHES NOMINAL 1ST END |  |  | 3.160 INCHES NOMINAL 2ND END |  | END HOLE/BALL DIAMETER | 0.249 INCHES MINIMUM AND |  |  | 0.250 INCHES MAXIMUM 1ST END |  | BORE LENGTH | 0.870 INCHES MINIMUM AND |  |  | 0.875 INCHES MAXIMUM |  | BORE DIAMETER | 0.249 INCHES MINIMUM AND |  |  | 0.250 INCHES MAXIMUM |  | FSC APPLICATION DATA | CONTROL COLUMN,AIRCRAFT |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 02731 |  | DESIGN CONTROL REFERENCE | 369N2680 | 
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