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 5998-01-465-6700
NSN 6135-00-062-5080
NSN 5985-00-376-5682
NSN 6650-01-386-6711
NSN 5930-01-352-9361
NSN 5855-00-138-2386
NSN 5920-01-330-4114
NSN 6320-01-379-1182
NSN 6130-00-930-7743
NSN 6685-01-506-0097
NSN 5990-01-367-9168
NSN 6150-00-518-1402