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 6650-00-984-5340
NSN 4140-00-177-8858
NSN 6240-01-120-3533
NSN 6130-01-599-5419
NSN 5905-01-436-9291
NSN 5910-01-020-9476
NSN 5835-01-274-1035
NSN 6105-01-056-4473
NSN 5835-01-362-0305
NSN 6645-01-340-4191
NSN 5950-01-267-6949
NSN 5855-01-542-9059