Product Details | BELL CRANK

1680-00-420-3179 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: 12C4903, 12C490-3, 12C4905, 12C490-5, 1680-00-420-3179, 00-420-3179, 1680004203179, 004203179

Aircraft Components and Accessories | Miscellaneous Aircraft Accessories and Components

Supply Group (FSG) NSN Assign. NIIN
16 05 MAR 1969 00-420-3179

Cross Reference | NSN 1680-00-420-3179

Part Number Cage Code Manufacturer
12C490-3 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
12C490-5 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 1680-00-420-3179

Characteristic Specifications
MATERIAL TITANIUM ALLOY
BORE LENGTH 1.214 INCHES MINIMUM AND 1.224 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 MINIMUM AND 0.229 INCHES MAXIMUM
MANUFACTURERS CODE 81755
DESIGN CONTROL REFERENCE 12C490-5

Restrictions/Controls & Freight Information | NSN 1680-00-420-3179

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.)
Controlled Inventory Item Code:UUNCLASSIFIED
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 130400 STARTING/CRANKING SYSTMS I/C ENG
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 593 unknown
Originating Activity Code TA Sacramento Air Logistics Center
McClellan AFB, CA 95652-5609
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable