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 5920-01-185-2222
NSN 5945-00-935-6922
NSN 6645-01-394-5149
NSN 6150-01-211-2744
NSN 5999-01-641-1135
NSN 5999-01-004-3383
NSN 5965-01-587-2366
NSN 6610-00-960-9135
NSN 5998-01-391-6065
NSN 6610-01-596-3254
NSN 6130-00-841-8917
NSN 5835-00-074-3700