National Stock Number
5950-00-729-2121
National Stock Number (NSN) 5950-00-729-2121, or NIIN 007292121, (transformer,audio frequency) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 007292121 was cancelled on August 2, 2007, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5950011044441. 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, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
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 5950007292121 does not contain precious metals.
This information was last updated on Aug 01, 2025.