National Stock Number
5950-00-445-1738
National Stock Number (NSN) 5950-00-445-1738, or NIIN 004451738, (transformer,audio frequency) was assigned December 30, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 11, 2014, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
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 5950004451738 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 Jul 01, 2025.