National Stock Number
5950-01-322-1686
National Stock Number (NSN) 5950-01-322-1686, or NIIN 013221686, (transformer,power autotransforme) was assigned June 29, 1990 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 10 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers 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 Jul 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 36166. [A TRANSFORMER WHICH INCORPORATES THE PRIMARY AND SECONDARY FUNCTIONS INTO A SINGLE WINDING, WHICH IS COMMON TO BOTH INPUT AND OUTPUT CIRCUITS, AND IS DESIGNED TO CHANGE THE RELATIONSHIP OF VOLTS AND AMPERES BETWEEN THE ENTIRE WINDING AND ITS TAPS. INCLUDES MULTIPLE WINDING TRANSFORMERS OF LIKE DESIGN AND ITEMS IN WHICH A VARIATION OF THE TURNS RATIO OR INDUCTIVE RATIO OF INDUCTIVE COUPLING IS ACCOMPLISHED BY CONNECTION TO FIXED TERMINALS. ALSO, INCLUDES ITEMS HAVING A PROVISION FOR MECHANICALLY CHANGING THE TURNS RATIO IN PROGRESSIVE INCREMENTS, BY MEANS OF A SHAFT, VOLTAGE TAPS, RATIO ADJUSTER, OR DEVICES OF SIMILAR DESIGN. EXCLUDES:TRANSFORMER (1), POWER; TRANSFORMER (1), PULSE.]. 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 5950013221686 does not contain precious metals.
This NSN is associated to Schedule B 8504500000: inductors, nesoi. The Schedule B End Use is listed as generators, accessories. NAICS classification category 334416: capacitor, resistor, coil, transformer, and other inductor manufacturing.
This information was last updated on Jul 01, 2025.