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 5930-01-417-2181
NSN 6645-00-518-2068
NSN 5835-01-115-6067
NSN 4140-01-146-4474
NSN 6650-01-542-4137
NSN 5910-01-470-8625
NSN 6135-00-444-1402
NSN 6220-01-620-0853
NSN 5960-01-157-7009
NSN 5855-01-601-8145
NSN 5960-01-343-5912
NSN 5975-01-271-4682