National Stock Number
4710-00-351-8603
National Stock Number (NSN) 4710-00-351-8603, or NIIN 003518603, (tube and fittings,metallic) was assigned March 26, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
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 for the first time. (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) 36987. [AN ITEM CONSISTING OF METAL TUBE, STRAIGHT OR PREBENT, WITH PERMANENTLY ATTACHED FITTINGS (BRAZED OR WELDED) ON ONE OR BOTH ENDS. IT IS PRIMARILY DESIGNED TO CONVEY FLUIDS, GASES, AND/OR SEMISOLIDS. FOR ITEMS WITH DETACHABLE END FITTINGS, SEE TUBE ASSEMBLY, METAL.]. 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 4710003518603 contains an unknown precious metal.
This NSN is associated to Schedule B 7306901000: other tubes, pipes and hollow profiles nesoi, 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.