National Stock Number
5990-00-431-5453
National Stock Number (NSN) 5990-00-431-5453, or NIIN 004315453, (synchro,control transformer) was assigned April 28, 1971 in the Federal Logistics Information System (FLIS). NIIN 004315453 was cancelled on July 2, 2008, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5990009174215. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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) 15289. [A SYNCHRO CONSISTING OF A STATOR AND ROTOR INDUCTIVELY COUPLED. THE ELECTRICAL OUTPUT OF THE ROTOR IS DEPENDENT UPON BOTH THE POSITION OF THE ROTOR AND THE ELECTRICAL INPUT TO THE STATOR FROM A TRANSMITTER SYNCHRO OR A DIFFERENTIAL SYNCHRO. DOES NOT INCLUDE VARIABLE RESISTORS, GONIOMETERS, OR VARIABLE TRANSFORMERS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5990004315453 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.