National Stock Number (NSN) 4730-01-168-7607, or NIIN 011687607, (coupling assembly,tube,flexible) was assigned December 22, 1983 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. 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, with the most recent procurement date of Dec 12, 2017. There have been 8 contracts issued for this part number, with 8 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M318V0846, SPE7M316V1834, SPE7M316V1834, SPE7M315V4919, SPE7M315V4919. The total value of the awarded contracts has been US$ 19,822.41.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. 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.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730011687607 does not contain precious metals.
This NSN is associated to Schedule B 7307290000: stainless steel tube or pipe fittings nesoi. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Aug 01, 2025.