National Stock Number (NSN) 5999-00-056-3251, or NIIN 000563251, (light-switch) was assigned May 27, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 17 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 8 different suppliers. The last contract numbers awarded were: SPE7M425P2464, SPE7M225P0040, SPE7M224V0614, SPE7M123F6541, SPE7M823P0925. The total value of the awarded contracts has been US$ 93,743.55.
This NSN is somewhat common among different platforms, belonging to 3 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 May 08, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 13166. [AN ELECTRICAL DEVICE CONSISTING OF A SWITCH (1) AND A LIGHT, NOT INTENDED FOR ILLUMINATION BUT PRESENT FOR THE PURPOSE OF INDICATION, ON A COMMON MOUNTING, SEPARABLE AND CAPABLE OF FUNCTIONING INDIVIDUALLY; OR ONE LIGHT AND ONE SWITCH FABRICATED AS A COMMON INSEPARABLE BODY INCAPABLE OF FUNCTIONING INDIVIDUALLY. IT MAY INCLUDE WALL PLATE OR BOX COVER AND IT MAY BE COMPLETE WITH A BOX. EXCLUDES:PUSH, PULL, PUSH-PULL, AND TOGGLE SWITCHES WITH A LAMP MOUNTED INTEGRALLY IN THE ACTUATOR.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5999000563251 contains an unknown precious metal.
This NSN is associated to Schedule B 8543909000: electrical machines and apparatus parts, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Jul 01, 2025.