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 4140-00-211-5970
NSN 5895-01-214-0052
NSN 6150-00-202-9150
NSN 4140-01-445-5945
NSN 6220-01-502-7508
NSN 5915-01-253-8913
NSN 6130-01-113-2529
NSN 5920-01-209-9142
NSN 6145-00-366-5790
NSN 5950-00-874-4886
NSN 5855-01-068-3683
NSN 6130-00-009-0153