A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 5990-01-534-8609
NSN 5945-00-167-0630
NSN 6220-00-445-1091
NSN 5855-01-373-4610
NSN 5950-01-203-6874
NSN 5920-01-289-5691
NSN 5999-00-708-7542
NSN 6610-01-354-7963
NSN 5950-00-478-1031
NSN 6130-00-315-8886
NSN 6610-00-225-2829
NSN 5990-00-155-2306