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 6610-00-185-9434
NSN 5945-00-243-2470
NSN 5996-00-778-2849
NSN 6650-01-644-7722
NSN 5895-01-418-0850
NSN 5905-00-215-6728
NSN 6320-01-185-3857
NSN 6320-01-512-2031
NSN 6135-01-300-6481
NSN 5835-01-536-6241
NSN 6145-01-528-7853
NSN 5920-01-372-0281