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 5965-00-518-0958
NSN 6145-00-565-9560
NSN 5920-00-107-7154
NSN 6645-01-400-1383
NSN 6150-01-451-4898
NSN 5999-01-562-2740
NSN 5905-01-646-0053
NSN 5935-01-275-6183
NSN 5975-01-525-7252
NSN 5855-00-004-0904
NSN 5905-01-435-4531
NSN 6620-01-287-8073