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 6130-00-935-5185
NSN 5990-00-964-6422
NSN 5945-00-144-3186
NSN 5930-01-040-7155
NSN 5950-01-310-6883
NSN 6645-01-457-0158
NSN 5945-01-462-1555
NSN 6105-01-016-9189
NSN 6240-01-444-3508
NSN 5996-00-754-6153
NSN 6650-00-809-1817
NSN 6645-01-333-7497