National Stock Number
6240-01-593-9657
National Stock Number (NSN) 6240-01-593-9657, or NIIN 015939657, (lamp,sodium) was assigned April 22, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 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 a year. There have been 7 contracts issued for this part number, with 7 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE8E923P0671, SPE8E922P1423, SPE8E919V0556, SPE8E917V1589, SPE8E715V0810. The total value of the awarded contracts has been US$ 6,280.80.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
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 Dec 31, 2013, 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. 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 6240015939657 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 Aug 01, 2025.