4710-00-200-0299 (ASTM)
NSN 4710-00-200-0299 (NIIN 00-200-0299) 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 ASTM; also referenced as ASTM A519 (American Society For Testing And).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 7304.31.0000.