National Stock Number
5950-01-257-3574
National Stock Number (NSN) 5950-01-257-3574, or NIIN 012573574, (transformer,audio frequency) was assigned June 17, 1987 in the Federal Logistics Information System (FLIS). NIIN 012573574 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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.
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 5950012573574 does not contain precious metals.
This information was last updated on Aug 01, 2025.