National Stock Number
5950-00-645-3390
National Stock Number (NSN) 5950-00-645-3390, or NIIN 006453390, (transformer,audio frequency) was assigned January 1, 1963 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 3 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2006, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00780. [A TRANSFORMER WHICH IS DESIGNED SO THAT PART OR ALL OF ITS RANGE OF OPERATING FREQUENCIES IS 20 KILOHERTZ (KILOCYCLES) AND BELOW. THE MAXIMUM VALUE MAY EXTEND INTO THE RADIO FREQUENCY RANGE. IT IS GENERALLY USED IN THE INPUT, OUTPUT, AMPLIFIER, OR OSCILLATOR STAGES OF AUDIO AND SONAR DEVICES.]. 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 5950006453390 contains an unknown precious metal.
This NSN is associated to Schedule B 8548900100: electrical parts of machinery or apparatus not specified or included elsewhere in chapter 85. 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.