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 5999-01-523-3823
NSN 5998-01-284-5160
NSN 6220-01-164-3651
NSN 5915-01-051-8226
NSN 5920-01-551-1295
NSN 6220-01-422-3602
NSN 5895-00-459-0966
NSN 6610-00-197-7648
NSN 5855-01-020-7982
NSN 5965-00-594-3115
NSN 6130-01-046-1727
NSN 4140-00-285-6042