National Stock Number
2590-00-499-9244
National Stock Number (NSN) 2590-00-499-9244, or NIIN 004999244, (button assembly,horn) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 2540007537927.
There are 6 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2590004999244 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.