National Stock Number
4730-15-120-3841
National Stock Number (NSN) 4730-15-120-3841, or NIIN 151203841, (coupling assembly,tube,flexible) has an unknown assigned date. 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, there are no suppliers that 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 somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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.].
This information was last updated on Jan 12, 2026.