National Stock Number
1660-01-134-3021
National Stock Number (NSN) 1660-01-134-3021, or NIIN 011343021, (control box,electrical-electroni) was assigned July 2, 1982 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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 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 May 21, 1998, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. 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 1660011343021 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Aug 01, 2025.