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National Stock Number:
1680-00-442-4601
Federal Supply Class:
1680
National Item Identification Number:
004424601
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:
| 12C1743-801 | 81755 | LOCKHEED MARTIN CORPORATION | | 12C1743-803 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY | | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 3.000 INCHES NOMINAL 1ST END | | 5.062 INCHES NOMINAL 2ND END | | END HOLE/BALL DIAMETER | 0.250 INCHES NOMINAL 1ST END | | 0.250 INCHES NOMINAL 2ND END | | BORE LENGTH | 0.964 INCHES MINIMUM AND | | 0.974 INCHES MAXIMUM | | BORE DIAMETER | 0.625 INCHES MINIMUM AND | | 0.630 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 0.752 INCHES MINIMUM AND | | 0.753 INCHES MAXIMUM | | COUNTERBORE DEPTH | 0.224 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81755 | | DESIGN CONTROL REFERENCE | 12C1743-803 |
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