4710-00-504-7461 (MIL-T-6737)
NSN 4710-00-504-7461 (NIIN 00-504-7461) is a metallic tube in Federal Supply Class 4710, Pipe, Tube And Rigid Tubing — a straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery. Manufacturer part number MIL-T-6737 (Military Specifications, CAGE 81349); also referenced as AMS 5570, AMS 5576 (Sae International); MILT6737 1-4IN0D (Tube Methods, Inc.).
NIIN assigned July 1974; DEMIL A (none required); unit of issue FT (foot), $5.52 gov standard price; export Schedule B 7306.90.5000; ships at 0.004 lb / 0 cu ft.