National Stock Number
4730-00-772-1680
National Stock Number (NSN) 4730-00-772-1680, or NIIN 007721680, (ferrule,brazing,tube fitting) was assigned January 1, 1962 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 4 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 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) 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 4730007721680 contains an unknown precious metal.
This NSN is associated to Schedule B 3917400000: fittings for tubes,pipes & hoses,of plastic. The Schedule B End Use is listed as other industrial supplies. NAICS classification category 326122: plastics pipe and pipe fitting manufacturing.
This information was last updated on Aug 01, 2025.