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 5945-01-011-7279
NSN 4140-01-368-5215
NSN 6620-01-633-8443
NSN 5920-01-642-0957
NSN 5996-01-158-5197
NSN 6645-01-426-8621
NSN 5996-01-208-5045
NSN 5855-01-141-8227
NSN 6130-01-469-5553
NSN 5990-00-230-8981
NSN 5920-01-178-5167
NSN 5960-01-512-0233