National Stock Number
4730-01-081-8131
National Stock Number (NSN) 4730-01-081-8131, or NIIN 010818131, (plug,tube fitting,threaded) was assigned August 20, 1979 in the Federal Logistics Information System (FLIS). NIIN 010818131 was cancelled on April 2, 2003, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730002870116. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. 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.
This NSN is unique to one weapons system.
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 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 4730010818131 does not contain precious metals.
This information was last updated on Jul 01, 2025.