National Stock Number
5999-01-494-0638
National Stock Number (NSN) 5999-01-494-0638, or NIIN 014940638, (relay-switch) was assigned January 30, 2002 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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.
This part number has not been procured by the US Government in over a year. There have been 20 contracts issued for this part number, with 18 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7MX24F3845, SPE7MX22F1283, SPE7MX20F2615, SPE7MX20F2615, SPE7MX20F1535. The total value of the awarded contracts has been US$ 8,422,196.98.
This NSN is somewhat common among different platforms, belonging to 2 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 Aug 01, 2020, 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) 00448. [AN ITEM HAVING THE DUAL FUNCTION OF A RELAY (AS MODIFIED) AND A SWITCH (AS MODIFIED) ASSEMBLED TOGETHER ON A COMMON MOUNTING OR IN A SINGLE INCLOSURE. CONTACTS MAY BE COMMON TO BOTH RELAY AND SWITCH. FOR RELAY OPERATED SWITCHES, SEE RELAY (AS MODIFIED). EXCLUDES:CIRCUIT BREAKER AND RELAYS WITH PROTRUDING SHAFTS.]. 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 5999014940638 does not contain precious metals.
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.