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 5990-01-311-7491
NSN 5985-01-578-6310
NSN 6620-01-564-0247
NSN 6135-00-203-9645
NSN 6620-00-480-9357
NSN 5835-01-392-3105
NSN 6610-01-256-7938
NSN 5965-01-477-1030
NSN 6620-01-474-4951
NSN 5975-00-913-5225
NSN 5950-01-383-5947
NSN 7035-01-083-0282