National Stock Number
5990-00-064-7839
National Stock Number (NSN) 5990-00-064-7839, or NIIN 000647839, (synchro,receiver-transmitter) was assigned January 27, 1998 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5990000401656, 5990011064599.
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 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.
This NSN is assigned to Item Name Code (INC) 27218. [A SYNCHRO HAVING A DUAL PURPOSE. IT MAY BE USED IN APPLICATIONS REQUIRING EITHER A RECEIVER OR TRANSMITTER. FOR SYNCHROS HAVING A SINGLE PURPOSE, SEE SYNCHRO, RECEIVER AND SYNCHRO, TRANSMITTER.]. 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 5990000647839 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.