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 5975-01-451-3927
NSN 5905-01-486-4808
NSN 5999-01-179-5149
NSN 6650-00-422-2958
NSN 6130-01-168-8001
NSN 5975-01-506-6210
NSN 5920-00-504-8634
NSN 5855-00-237-4088
NSN 5990-01-185-9835
NSN 5990-00-518-0684
NSN 6110-01-616-1127
NSN 6650-01-142-7673