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 6240-01-111-8291
NSN 6610-01-141-7014
NSN 6620-01-116-3983
NSN 5975-00-012-0095
NSN 5960-01-092-4762
NSN 5835-01-250-2939
NSN 6105-00-175-0207
NSN 6645-01-012-5972
NSN 6240-01-012-2706
NSN 5855-01-522-6242
NSN 5910-00-140-3171
NSN 6620-00-351-9949