National Stock Number
4710-00-277-5522
National Stock Number (NSN) 4710-00-277-5522, or NIIN 002775522, (tube,metallic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2815009557097.
There are 5 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 4 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 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 4710002775522 does not contain precious metals.
This NSN is associated to Schedule B 7411101000: tubes and pipes of refined copper, seamless. The Schedule B End Use is listed as finished metal shapes.
This information was last updated on Jul 01, 2025.