National Stock Number (NSN) 1660-01-160-3539, or NIIN 011603539, (control box,electrical-electroni) was assigned August 20, 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
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 8 contracts issued for this part number, with 10 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: SPE4A625F3380, SPE4A625F3381, SPE4A625F3380, SPE4A625F3381, SPE4A625F3381. The total value of the awarded contracts has been US$ 16,777,022.57.
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 Sep 16, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 42426. [A METAL INCLOSURE WHICH INCLUDES MOUNTS AND PROTECTS ANY QUANTITY AND/OR COMBINATION OF ELECTRICAL/ELECTRONIC DEVICES SUCH AS RESISTORS, RELAYS, POTENTIOMETERS, RECEPTACLES, RECTIFIERS, BRIDGE NETWORKS AND THE LIKE. IF ELECTRICAL, IT MAY NOT CONTAIN ELECTRONIC TUBES AND/OR RESISTORS. IT MAY HAVE ADJUSTMENT CONTROLS. DESIGNED TO PRODUCE AN ELECTRICAL SIGNAL TO CONTROL AIR TEMPERATURE FOR AN AIRCRAFT CABIN, COCKPIT, WINDOW, WINDSHIELD AND OTHER COMPARMENTS FOR THE PURPOSE OF ANTI-ICING, DEFOGGING OR HEATING.]. 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 1660011603539 does not contain precious metals.
This information was last updated on Jul 01, 2025.