Product Details | BELL CRANK

1680-00-454-6661 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).20411900057Specialized Test and Handling Equipment, Nuclear Ordnance11950030Miscellaneous Nuclear Ordnance16800049Miscellaneous Aircraft Accessories and Components30400042Miscellaneous Power Transmission Equipment

Part Alternates: 12C766805, 12C766-805, 1680-00-454-6661, 00-454-6661, 1680004546661, 004546661

Aircraft Components and Accessories | Miscellaneous Aircraft Accessories and Components

Supply Group (FSG) NSN Assign. NIIN
16 14 APR 1969 00-454-6661

Drawings & Photos | NSN 1680-00-454-6661


Cross Reference | NSN 1680-00-454-6661

Part Number Cage Code Manufacturer
12C766-805 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 1680-00-454-6661

Characteristic Specifications
MATERIAL TITANIUM ALLOY
STYLE DESIGNATOR A12 CLEVIS ENDS
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL 3.650 INCHES NOMINAL 1ST END 4.400 INCHES NOMINAL 2ND END
BORE LENGTH 0.924 INCHES MINIMUM AND 0.934 INCHES MAXIMUM
BORE DIAMETER 0.684 INCHES MINIMUM AND 0.689 INCHES MAXIMUM
COUNTERBORE DIAMETER 0.814 INCHES MINIMUM AND 0.815 INCHES MAXIMUM
COUNTERBORE DEPTH 0.219 INCHES MINIMUM AND 0.224 INCHES MAXIMUM
MANUFACTURERS CODE 81755
DESIGN CONTROL REFERENCE 12C766-805

Restrictions/Controls & Freight Information | NSN 1680-00-454-6661

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information