National Stock Number
6110-01-166-8539
National Stock Number (NSN) 6110-01-166-8539, or NIIN 011668539, (protector,thermal-overload,elect) was assigned November 18, 1983 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 23, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 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 6110011668539 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 Aug 01, 2025.