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 6240-00-440-3656
NSN 6130-01-367-0782
NSN 5920-00-106-1454
NSN 6645-01-236-3494
NSN 5930-00-906-1119
NSN 6220-01-658-4536
NSN 5965-00-020-1951
NSN 6645-00-376-4829
NSN 5945-01-435-1340
NSN 6135-01-599-4006
NSN 5985-01-464-2884
NSN 6145-00-859-2522