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 5895-00-174-4442
NSN 5950-00-646-1230
NSN 6145-01-543-7851
NSN 5975-01-505-5396
NSN 6240-01-444-0808
NSN 5996-00-583-9498
NSN 6620-01-154-9651
NSN 6240-01-257-7014
NSN 5975-00-661-1832
NSN 5999-01-382-4934
NSN 5999-00-962-8562
NSN 6105-01-570-5907