National Stock Number (NSN) 4710-00-277-5526, or NIIN 002775526, (tube,metallic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 66 stock numbers. Five of the National Stock Numbers that it replaces are: 4710004831085, 2910003743916, 4710008486363, 4710000276015, 4710002028396.
There are 24 manufacturer part numbers associated with this NSN. 14 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 16 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is very common among different weapons systems, belonging to 36 different platforms.
There has been very little 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, 2006, 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 4710002775526 contains an unknown precious metal.
This NSN is associated to Schedule B 7411291000: pipes and tubes of copper alloys, nesoi, seamless. The Schedule B End Use is listed as finished metal shapes.
This information was last updated on Aug 01, 2025.