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 5975-01-258-4339
NSN 5905-01-274-3225
NSN 5999-00-141-9441
NSN 5855-01-543-8175
NSN 5950-01-205-1500
NSN 5990-00-295-0968
NSN 4140-00-544-6873
NSN 5855-01-382-8725
NSN 5925-01-125-5795
NSN 6240-00-617-0187
NSN 6135-01-167-7604
NSN 5996-01-322-0021