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 6135-01-440-9412
NSN 6240-01-381-2149
NSN 6220-01-491-9803
NSN 6150-01-602-0169
NSN 5935-00-762-7880
NSN 5975-01-322-4515
NSN 6320-01-600-0787
NSN 6105-00-353-8153
NSN 5965-01-040-9814
NSN 5945-00-974-5954
NSN 6240-01-286-5509
NSN 6130-01-465-3514