National Stock Number (NSN) 6350-00-900-1640, or NIIN 009001640, (horn,signal) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 2590007526286, 2590002394886, 2590004275774, 2590006014456.
There are 14 manufacturer part numbers associated with this NSN. 12 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 10 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 10 contracts issued for this part number, with 14 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A625F8769, SPE4A621F2670, SPE7L320V3084, SPE7L320P0124, SPE7L319P6579. The total value of the awarded contracts has been US$ 237,850.58.
This NSN is fairly common among different weapons systems, belonging to 19 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 8 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 42662. [A DEVICE DESIGNED TO CONVERT ENERGY INTO AUDIBLE SIGNALS BY MEANS OF A DIAPHRAGM OR SPECIALLY DESIGNED HORN ELEMENT. SOUND MAY BE PRODUCED BY LIQUID, ELECTRO-MECHANICAL DEVICE OR PRESSURE MEANS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6350009001640 does not contain precious metals.
This NSN is associated to Schedule B 8710000090: parts of armored fighting vehicles,motorized, whether or not fitted with weapons. The Schedule B End Use is listed as military trucks, armored vehicles, etc.. NAICS classification category 336992: military armored vehicle, tank, and tank component manufacturing.
This information was last updated on Jul 01, 2025.