National Stock Number
5680-01-557-4266
National Stock Number (NSN) 5680-01-557-4266, or NIIN 015574266, (core material,cellular,structural) was assigned October 23, 2007 in the Federal Logistics Information System (FLIS). NIIN 015574266 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 20324. [A LIGHT DURABLE MATERIAL HAVING A CELLULAR CORE OF UNIFORM GEOMETRIC SHAPES. IT IS PRIMARILY USED FOR, BUT NOT LIMITED TO, AIRCRAFT STRUCTURE, SUCH AS FUSELAGES, CONTROL SURFACES, COMPARTMENTS, RADOMES, AND THE LIKE. FOR ITEMS WITH A METALLIC OR NONMETALLIC FACING SEE PANEL, STRUCTURAL, AIRCRAFT.]. This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 5680015574266 does not contain precious metals.
This information was last updated on Aug 01, 2025.