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 5905-00-521-4757
NSN 5835-01-414-3258
NSN 6240-01-501-7909
NSN 5920-01-379-7475
NSN 5975-00-189-0857
NSN 6150-01-399-8557
NSN 6110-01-124-8799
NSN 6650-00-466-1697
NSN 5920-01-413-0022
NSN 6650-01-371-5886
NSN 5835-00-185-4919
NSN 6150-01-381-4978