National Stock Number
4730-00-449-7255
National Stock Number (NSN) 4730-00-449-7255, or NIIN 004497255, (nut assembly,tube coupling) was assigned December 10, 1969 in the Federal Logistics Information System (FLIS). NIIN 004497255 was cancelled on February 2, 2004, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730011197087. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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. 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.
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) 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730004497255 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.