National Stock Number (NSN) 4710-00-639-9439, or NIIN 006399439, (pipe,metallic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 10 stock numbers. Five of the National Stock Numbers that it replaces are: 4710002028156, 4710002779195, 4710000620411, 4710002030281, 4710002027992.
There are 7 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 23, 2019. There have been 16 contracts issued for this part number, with 15 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7M420P0187, SPE7M419P3496, SPE7M419P3103, SPE7M419P3103, SPE7M419P3081. The total value of the awarded contracts has been US$ 53,062.22.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of 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 Nov 02, 2005, 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) 31978. [A STRAIGHT, ONE PIECE METALLIC PIPE IN EXCESS OF 12 INCHES (304 MM) IN LENGTH. IT MAY HAVE EXTERNAL OR INTERNAL THREADS OR MAY BE UNTHREADED. FOR PIPE HAVING EXTERNAL THREADS 12 INCHES (304 MM) OR LESS IN LENGTH SEE NIPPLE,PIPE. FOR PIPE HAVING INTERNAL THREADS 12 INCHES (304 MM) OR LESS IN LENGHT SEE COUPLING,PIPE.]. 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 4710006399439 does not contain precious metals.
This NSN is associated to Schedule B 7305314000: other tubes and pipes (exc oil/gas linepipe or casing) longitudinallywelded, of iron or nonalloy steel. The Schedule B End Use is listed as iron and steel products, other.
This information was last updated on Jul 01, 2025.