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 5945-00-400-1787
NSN 6620-01-583-8155
NSN 5935-01-043-7365
NSN 6610-01-183-9141
NSN 5915-00-500-8684
NSN 6620-01-325-4220
NSN 6650-00-606-2882
NSN 6610-01-093-4710
NSN 5920-00-829-3634
NSN 5835-00-484-1529
NSN 5920-00-177-2738
NSN 5990-00-161-2797