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 5990-01-370-3672
NSN 6130-01-189-0229
NSN 6650-01-223-5959
NSN 6620-00-028-3370
NSN 6145-01-458-5656
NSN 6130-00-706-6619
NSN 5999-00-471-2595
NSN 6135-00-377-9165
NSN 6620-00-546-6071
NSN 5930-01-295-9093
NSN 5920-00-146-1314
NSN 5855-01-499-6147