National Stock Number
5840-00-712-2656
National Stock Number (NSN) 5840-00-712-2656, or NIIN 007122656, (duplexer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 007122656 was cancelled on April 30, 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) 00172. [AN ITEM WHICH PERMITS A TRANSMITTER AND RECEIVER TO OPERATE ON THE SAME FREQUENCY WITH A SINGLE TRANSMISSION LINE AND/OR ANTENNA. IT EFFECTS A MISMATCH IN THE RECEIVER SECTION WHEN THE TRANSMITTER IS OPERATING AND RESTORES MATCHING WHEN THE TRANSMITTER IS QUIESCENT. SEE ALSO BLANKER (AS MODIFIED); AND DIPLEXER.]. 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 5840007122656 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.