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 6620-01-590-7035
NSN 6645-00-047-9470
NSN 5975-01-131-9492
NSN 5855-01-409-1792
NSN 5960-01-325-2241
NSN 6610-01-563-1809
NSN 5999-00-129-1950
NSN 5915-00-013-7610
NSN 5965-01-432-1943
NSN 6645-01-277-0530
NSN 6240-00-777-1878
NSN 2925-01-358-7380