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 5930-01-614-9488
NSN 6105-00-078-4856
NSN 6240-01-124-1049
NSN 5975-01-231-9669
NSN 5950-01-129-6405
NSN 5990-00-249-7887
NSN 5920-00-840-8409
NSN 6145-00-085-7570
NSN 5915-01-069-4836
NSN 4140-01-511-6039
NSN 5905-01-135-7252
NSN 6620-01-628-2620