National Stock Number
6240-01-051-2557
National Stock Number (NSN) 6240-01-051-2557, or NIIN 010512557, (lamp,sodium) was assigned November 25, 1977 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 6240013244637, 6240010236999.
There are 9 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 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.
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 17 contracts issued for this part number, with 26 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: SPE4A625F3920, SPE4A623F035J, SPE4A622F146T, SPE4A622F5258, SPE4A620F3670. The total value of the awarded contracts has been US$ 159,942.98.
This NSN is fairly common among different weapons systems, belonging to 16 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 May 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 33518. [AN ITEM WHICH PRODUCES LIGHT BY AN ELECTRIC ARC BETWEEN TWO ELECTRODES IN AN IONIZED SODIUM VAPOR ATMOSPHERE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6240010512557 does not contain precious metals.
This NSN is associated to Schedule B 8539320020: discharge lamps, (ex ultraviolet), sodium vapor. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335110: electric lamp bulb and part manufacturing.
This information was last updated on Jul 01, 2025.