4710-00-445-8817 (X7181PC11-12)
4710-00-445-8817 is equivalent to manufacture part number X7181-11. It is a finned tube and is classified under Federal Supply Class 4710 (4710 - Pipe, Tube and Rigid Tubing), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4710 - Pipe, Tube and Rigid Tubing and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.