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 5945-00-151-4623
NSN 5990-00-311-1031
NSN 5990-01-143-2518
NSN 5996-01-518-0462
NSN 5965-00-871-8987
NSN 5915-00-809-6691
NSN 5990-01-185-5346
NSN 5895-01-191-4415
NSN 5930-01-370-4206
NSN 5975-00-467-8777
NSN 4140-00-277-6285
NSN 6645-00-080-1087