National Stock Number
4730-00-278-0834
National Stock Number (NSN) 4730-00-278-0834, or NIIN 002780834, (ferrule,brazing,tube fitting) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4730002774754.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 20, 2015. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M416M0299, SPE7M416M0299. The total value of the awarded contracts has been US$ 474.75.
This NSN is somewhat common among different platforms, belonging to 4 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 18024. [A FLANGED CYLINDRICAL METALLIC ITEM DESIGNED TO BE SLIPPED OVER TUBING AND BRAZED IN PLACE. THE REAR FACE OF THE FLANGE FORMS A BEARING SURFACE FOR THE COUPLING NUT, AND THE FRONT FACE IS OF A CONTOUR DESIGNED TO SEAT AGAINST A MATING CONTOUR ON A FITTING. WHEN ASSEMBLED THE JOINT SEALS AT THE SEAT IN A MANNER SIMILAR TO A SEAT TYPE UNION.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730002780834 contains an unknown precious metal.
This NSN is associated to Schedule B 7412200000: copper alloy tube or pipe fittings. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Aug 01, 2025.