National Stock Number (NSN) 5990-00-914-0838, or NIIN 009140838, (synchro,control transformer) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5990011424041, 5990008777679, 5990008836075.
There are 8 manufacturer part numbers associated with this NSN. 3 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, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 20 contracts issued for this part number, with 23 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7M025P4353, SPE7M523P0998, SPE7M523P0998, SPE7M523P0998, SPE7M522P5272. The total value of the awarded contracts has been US$ 1,320,219.80.
This NSN is somewhat common among different platforms, belonging to 10 different weapons systems.
There has been a moderate amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 85,747. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 22, 2016, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
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 5990009140838 does not contain precious metals.
This NSN is associated to Schedule B 9014900000: parts & accessories for direction finding compasses and other navigational instruments and appliances. The Schedule B End Use is listed as marine engines, parts. NAICS classification category 334511: search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing.
This information was last updated on Jul 01, 2025.