4710-00-185-7949 (4710001857949)
NSN 4710-00-185-7949 (NIIN 00-185-7949) is a metallic bent tube in Federal Supply Class 4710, Pipe, Tube And Rigid Tubing — a bent hollow item, welded or seamless. Manufacturer part number 4710001857949 (E.C.A Etablissement Central Des, CAGE A00AM); also referenced as 11665286 (Army, United States Department Of).
Key specs: 1500 psi maximum operating pressure; full characteristics table below. NIIN assigned February 1971; DEMIL A (none required).