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National Stock Number:
1560-00-591-6764
Federal Supply Class:
1560
National Item Identification Number:
005916764
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:
| S1640-61304-3 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| END HOLE/BALL DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM 1ST END | | END HOLE/BALL DIAMETER | 0.250 INCHES NOMINAL 2ND END | | BORE DIAMETER | 2.062 INCHES NOMINAL | | BORE LENGTH | 2.375 INCHES MINIMUM AND 2.380 INCHES MAXIMUM | | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 4.000 INCHES NOMINAL 1ST END | | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 4.000 INCHES NOMINAL 2ND END | | COUNTERBORE DEPTH | 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 2.187 INCHES NOMINAL | | MATERIAL | MAGNESIUM ALLOY | | STYLE DESIGNATOR | CLEVIS, TONGUE |
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