National Stock Number
4730-01-390-4479
National Stock Number (NSN) 4730-01-390-4479, or NIIN 013904479, (coupling assembly,tube,flexible) was assigned May 19, 1994 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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.
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 Aug 02, 2004, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 32834. [A MULTIPIECE GASKET SEALED ITEM SPECIFICALLY DESIGNED FOR JOINING PLAIN END FERRULED TUBING OR BEADED END TUBING THAT WILL ACCOMMODATE ANGULAR MISALIGNMENT, AXIAL MOTION AND PERMITS EXPANSION AND CONTRACTION OF THE TUBING. IT MAY BE DISCONNECTED FOR SEAL REPLACEMENT WITHOUT DISTURBING THE REST OF THE LINE. THE SEALS ARE NOT NORMALLY FURNISHED WITH THE ITEM. FOR RIGID TYPE ITEMS SEE COUPLING, TUBE; AND UNION, TUBE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730013904479 does not contain precious metals.
This information was last updated on Jul 01, 2025.