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		                        | National Stock Number:
 1680-00-537-1189
 
 Federal Supply Class:
 1680
 
 National Item Identification Number:
 005371189
 
 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:
 
 | 272S2000313-009 | 38597 | LOCKHEED MARTIN CORPORATION | 
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 Techincal Specification:
 
 | BORE DIAMETER | 1.249 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |  | BORE LENGTH | 1.688 INCHES NOMINAL |  | MATERIAL | ALUMINUM ALLOY | 
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