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 6610-00-626-8523
NSN 5920-01-072-1868
NSN 4140-00-493-4759
NSN 5935-01-612-0386
NSN 5996-01-048-5196
NSN 6610-01-129-6420
NSN 5905-01-592-3387
NSN 5985-01-403-2835
NSN 6240-00-431-4372
NSN 5905-01-623-7010
NSN 5855-00-484-8638
NSN 5925-00-174-8818