National Stock Number
4730-01-558-4281
National Stock Number (NSN) 4730-01-558-4281, or NIIN 015584281, (plug,tube fitting,threaded) was assigned November 8, 2007 in the Federal Logistics Information System (FLIS). NIIN 015584281 was cancelled on August 2, 2010, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5365000312247. This NSN does not replace any other NSNs.
There are 2 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, 2 suppliers 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 Feb 04, 2010. 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: W56HZV09D0111. The total value of the awarded contracts has been US$ 28.50.
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) 28613. [A TUBE FITTING WITH EXTERNAL THREADS OTHER THAN PIPE OR HOSE SERIES HAVING AN INTERNAL OR EXTERNAL SEATING SURFACE. THE SEATING SURFACE IS DESIGNED TO FORM A SEAL WHEN MATED WITH OTHER TUBE FITTINGS TO RETAIN FLUIDS UNDER PRESSURE DURING EQUIPMENT OPERATION. FOR ITEMS WITHOUT A SPECIFIC SEATING SURFACE WHICH ARE DESIGNED TO UTILIZE A GASKET OR PACKING UNDER THE HEAD FOR FORMING A SEAL, SEE PLUG, MACHINE THREAD.]. 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 4730015584281 does not contain precious metals.
This information was last updated on Jul 01, 2025.