National Stock Number (NSN) 5945-00-666-0964, or NIIN 006660964, (relay,thermal) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 5945012173336, 5945000046988, 5999002414243, 5945006661104, 5945003496866.
There are 24 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 13 suppliers. Today, 12 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 53 contracts issued for this part number, with 57 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7M125F2147, SPE7M125F1907, SPE7M125F1584, SPE7M125F0748, SPE7M125F0506. The total value of the awarded contracts has been US$ 7,218,980.03.
This NSN is very common among different weapons systems, belonging to 105 different platforms.
There has been a moderate amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 379,973. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 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 5945006660964 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.