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 6650-01-185-2544
NSN 6240-00-300-9883
NSN 6645-00-779-5355
NSN 6240-00-104-4662
NSN 5835-01-436-6549
NSN 5895-01-341-4660
NSN 5960-00-269-3726
NSN 5835-01-525-3220
NSN 5998-01-398-9563
NSN 2925-01-116-1683
NSN 5920-00-752-0458
NSN 5905-00-001-7473