National Stock Number
4730-00-406-6953
National Stock Number (NSN) 4730-00-406-6953, or NIIN 004066953, (nut assembly,tube coupling) was assigned April 17, 1970 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
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 Jun 01, 2020, 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) 32836. [AN ITEM CONSISTING OF AN INTERNALLY THREADED NUT AND AN INTEGRAL FLOATING WASHER DESIGNED TO BE USED WITH A GASKET SEAL TO CONNECT BEADED OR SWAGED FERRULED THIN WALL TUBING TO A COUPLING BODY, BOSS CONNECTION, OR THE LIKE TO FORM A FLEXIBLE OR RIGID LEAKPROOF CONNECTION.]. 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 4730004066953 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.