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 6650-01-146-5000
NSN 5999-01-481-5560
NSN 5975-01-502-8235
NSN 5905-01-164-4029
NSN 6610-00-147-3187
NSN 5835-01-485-0210
NSN 6320-01-600-5808
NSN 6135-01-556-7318
NSN 5895-00-111-8334
NSN 5996-01-377-2439
NSN 6105-00-161-1834
NSN 5920-00-983-3571