National Stock Number
4730-00-314-9778
National Stock Number (NSN) 4730-00-314-9778, or NIIN 003149778, (nut,tube coupling) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 003149778 was cancelled on September 2, 2012, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4730002870297. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those 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.
This NSN is assigned to Item Name Code (INC) 03859. [AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES:NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), 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 4730003149778 contains an unknown precious metal.
This information was last updated on May 01, 2025.