National Stock Number
5945-00-257-8875
National Stock Number (NSN) 5945-00-257-8875, or NIIN 002578875, (relay,thermal) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 5 stock numbers: 5945005784783, 5945002602798, 5945005038376, 5945002499795, 5945002954208.
There are 17 manufacturer part numbers associated with this NSN. 11 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 11 suppliers. Today, 10 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 16, 2018. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M118P5942. The total value of the awarded contracts has been US$ 490.00.
This NSN is fairly common among different weapons systems, belonging to 12 different platforms.
There has been very little 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 Mar 09, 2018, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 03883. [A RELAY SWITCH WHICH IS ACTUATED BY THE EFFECT OF INTERNAL HEAT GENERATED BY THE CURRENT IN ITS ENERGIZING CIRCUIT. FOR ITEMS ACTUATED BY AMBIENT, RATHER THAN INTERNAL TEMPERATURE CHANGES, SEE SWITCH, THERMOSTATIC.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5945002578875 does not contain precious metals.
This information was last updated on Aug 01, 2025.