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 5996-00-428-8130
NSN 5930-01-236-9259
NSN 5930-01-645-4506
NSN 5975-00-889-5118
NSN 6105-01-330-6696
NSN 6150-01-467-2016
NSN 5855-01-462-0495
NSN 5985-00-455-9946
NSN 5905-01-059-1068
NSN 6650-00-944-1399
NSN 5895-01-172-3203
NSN 6110-00-827-3026