National Stock Number
5990-00-688-5683
National Stock Number (NSN) 5990-00-688-5683, or NIIN 006885683, (synchro,control transformer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006885683 was cancelled on January 22, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5990008146545. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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. 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5990006885683 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.