National Stock Number (NSN) 6110-01-550-6637, or NIIN 015506637, (protector,thermal-overload,elect) was assigned April 25, 2007 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 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 not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 19, 2011. There have been 5 contracts issued for this part number, with 5 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: SPM7M011V5820, SPM7M011V5820, SPM7M111M1470, SPM7MC10V6996, SPM7MC10M6232. The total value of the awarded contracts has been US$ 29,808.07.
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 Dec 28, 2013, 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) 60869. [A PROTECTIVE DEVICE SPECIFICALLY DESIGNED TO PREVENT DAMAGE TO AN ELECTRICAL MOTOR DUE TO FAILURE OF THE MOTOR TO START, SEVERE OVERLOADING OF SHORT DURATION, TOO FREQUENT STARTING, HIGH AMBIENT TEMPERATURE, HIGH OR LOW CIRCUIT VOLTAGES, FAILURE OF VENTILATION OR ANY COMBINATION THEREOF. IT IS DESIGNED TO BE EITHER AUTOMATICALLY OR MANUALLY RESET. EXCLUDES CIRCUIT BREAKEY; SWITCH (1), THERMOSTATIC; HEATER, THERMAL RELEASE; AND RELAY (1), THERMAL.]. 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 6110015506637 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.