National Stock Number (NSN) 5930-00-342-0502, or NIIN 003420502, (switch,thermostatic) was assigned January 1, 1963 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 Jan 11, 2019. There have been 9 contracts issued for this part number, with 9 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M819P1037, SPE7M118V7223, SPE7M117V9100, SPE7M116VJ583, SPE7M116V0348. The total value of the awarded contracts has been US$ 9,602.80.
This NSN is somewhat common among different platforms, belonging to 6 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 13, 2008, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. 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) 00451. [A SWITCH THAT IS ACTUATED BY CHANGES IN AMBIENT TEMPERATURE. EXCLUDES:CIRCUIT BREAKER; CONTROL, TEMPERATURE (AS MODIFIED); FUSE (AS MODIFIED); PROTECTOR, THERMAL-OVERLOAD, ELECTRICAL MOTOR; RELAY, THERMAL; AND THERMOSTAT, FLOW CONTROL. SEE ALSO CONTROL, TEMPERATURE (AS MODIFIED) AND REGULATOR, TEMPERATURE (AS MODIFIED).]. 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 5930003420502 contains silver.
This NSN is associated to Schedule B 9032100000: thermostats. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334512: automatic environmental control manufacturing for residential, commercial, and appliance use.
This information was last updated on Jul 01, 2026.