National Stock Number
5840-00-318-4643
National Stock Number (NSN) 5840-00-318-4643, or NIIN 003184643, (duplexer) has an unknown assigned date. NIIN 003184643 was cancelled on November 7, 1999, 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 are no manufacturer part numbers associated to 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) 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 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 5840003184643 does not contain precious metals.
This information was last updated on Jul 01, 2025.