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 5950-01-450-8738
NSN 5925-01-511-8540
NSN 6240-01-313-2229
NSN 5960-01-379-7594
NSN 5998-01-033-7614
NSN 6240-01-310-7115
NSN 6645-01-239-3702
NSN 5895-01-530-2602
NSN 5935-00-285-2767
NSN 5996-01-129-6422
NSN 6150-01-481-3295
NSN 5920-00-462-3342