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 6645-01-473-9179
NSN 6150-00-269-5017
NSN 6240-01-256-4570
NSN 6240-00-481-5776
NSN 6320-01-056-1164
NSN 5999-00-769-0559
NSN 5965-00-445-1843
NSN 6145-00-136-9132
NSN 6645-01-609-0332
NSN 6240-01-522-2070
NSN 5990-00-633-7634
NSN 5998-01-630-9054