8307 Flexible tubing of base metal, with or without fittings

8307 (01/1988-..) Flexible tubing of base metal, with or without fittings 83071000 (01/2006-..) Flexible tubing of iron or steel, with or without fittings 83071010 (01/1988-12/2005) Flexible tubing of iron or steel, with fittings attached, for civil aircraft 83071090 (01/1988-12/2005) Flexible tubing of iron or steel, with or without fittings (excl. that with fittings attached, for civil aircraft) 83079000 (01/2006-..) Flexible tubing of base metal other than iron or steel, with or without fittings 83079010 (01/1988-12/2005) Flexible tubing of base metal other than iron or steel, with fittings attached, for civil aircraft 83079090 (01/1988-12/2005) Flexible tubing of base metal other than iron or steel, with or without fittings (excl. that with fittings attached, for civil aircraft)