National Stock Number
4710-00-640-6345
National Stock Number (NSN) 4710-00-640-6345, or NIIN 006406345, (pipe,metallic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006406345 was cancelled on May 2, 2012, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4710006406344. 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, with the most recent procurement date of Aug 30, 2011. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPM7M411M3993, SPM7M411M3993, SPM7M411V2945, SPM7M409M3758, SPM7M409M3758. The total value of the awarded contracts has been US$ 21,999.19.
There has been a small amount of 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) 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 4710006406345 does not contain precious metals.
This information was last updated on Aug 01, 2025.