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 5945-01-394-9482
NSN 5999-01-015-5399
NSN 5950-01-032-4178
NSN 5935-00-155-4662
NSN 5990-01-476-8813
NSN 5905-00-358-1512
NSN 6685-00-155-4301
NSN 6135-01-204-8712
NSN 6130-00-931-4949
NSN 5999-01-459-8452
NSN 6610-00-069-0674
NSN 5910-01-614-9106