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 5855-00-885-8452
NSN 5965-00-121-7569
NSN 6620-01-097-7078
NSN 5999-01-584-1054
NSN 5998-01-429-0382
NSN 4140-01-005-0154
NSN 5915-01-296-2204
NSN 5950-01-227-2466
NSN 5910-00-831-9058
NSN 5935-01-120-2292
NSN 6130-00-525-9975
NSN 6110-01-542-9502