National Stock Number (NSN) 4710-00-202-9731, or NIIN 002029731, (tube,metallic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 5 stock numbers: 4710012388745, 4710009636383, 4710012540124, 4710008572666, 4710005852660.
There are 12 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 25 contracts issued for this part number, with 32 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M125F2158, SPE7M125F0222, SPE7M124F3980, SPE7M124F1111, SPE7M124F1111. The total value of the awarded contracts has been US$ 226,041.06.
This NSN is very common among different weapons systems, belonging to 51 different platforms.
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 Apr 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) 31979. [A STRAIGHT, HOLLOW PRODUCT, WELDED OR SEAMLESS, OF ROUND, SQUARE, OR ANY OTHER CROSS SECTION AND CONTINUOUS PERIPHERY, WHICH DOES NOT CONFORM IN CROSS SECTIONAL DIMENSIONS TO RECOGNIZED PIPE STANDARDS. IT IS DESIGNED TO CONVEY FLUIDS, GASSES, AND/OR SEMISOLIDS. IT MAY BE ROLLED INTO COILS FOR EASE IN HANDLING. FOR ITEMS DESIGNED TO JOIN A TUBE OR TUBE FITTING TO ANOTHER TUBE, PIPE, OR HOSE OR FITTING, SEE ADAPTER (AS MODIFIED); COUPLIG (AS MODIFIED); OR NIPPLE (AS MODIFIED). EXCLUDES: TUBE,BENT (AS MODIFIED); PIPE,METALLIC; SPACER SLEEVE; METAL BAR (HOLLOW); AND ITEMS WITH FITTING, EXCEPT END PROTECTORS.]. 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 4710002029731 does not contain precious metals.
This information was last updated on Jul 01, 2025.