National Stock Number
5895-00-739-4220
National Stock Number (NSN) 5895-00-739-4220, or NIIN 007394220, (duplexer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 5895007394220 does not contain precious metals.
This NSN is associated to Schedule B 9030908040: parts and accessories of articles of schedule b subheading 9030.40. The Schedule B End Use is listed as telecommunications equipment. NAICS classification category 334515: instrument manufacturing for measuring and testing electricity and electrical signals.
This information was last updated on Aug 01, 2025.