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 6150-00-161-2480
NSN 5985-00-269-8267
NSN 5990-01-605-4769
NSN 5975-00-165-3432
NSN 6145-01-492-0855
NSN 6240-00-660-8849
NSN 6220-00-112-2182
NSN 6610-01-318-6713
NSN 5920-01-372-7122
NSN 5998-00-930-5462
NSN 6240-01-524-4088
NSN 6150-01-457-3408