National Stock Number (NSN) 6240-00-256-6410, or NIIN 002566410, (lamp,cartridge) was assigned March 24, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 a year. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE4A624V3279, SPE4A621PK633, SPE4A616V3997, SPE4A614V9204, SPM4A612V0326. The total value of the awarded contracts has been US$ 3,734.18.
This NSN is very common among different weapons systems, belonging to 34 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2010, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 24416. [AN ITEM CONSISTING OF AN UNBASED LAMP, EITHER INCANDESCENT OR GLOW, MOUNTED IN A SLEEVE. IT HAS A PROJECTING TERMINALS AND MAY ALSO INCLUDE A LENS. FOR LIGHT EMITTING DIODES WHICH MAY OR MAY NOT BE MOUNTED IN A SLEEVE OR A LAMP BASE, SEE LIGHT EMITTING DIODE.]. 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 6240002566410 contains an unknown precious metal.
This NSN is associated to Schedule B 9405400000: electric lamps and lighting fittings, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335129: other lighting equipment manufacturing.
This information was last updated on Aug 01, 2025.