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 5905-00-772-3485
NSN 5910-00-388-6737
NSN 6150-01-654-4711
NSN 6620-01-050-0956
NSN 6220-01-543-0311
NSN 5996-00-935-5070
NSN 5985-01-568-6770
NSN 6135-01-202-8113
NSN 5915-01-471-3487
NSN 6150-01-014-5691
NSN 6220-01-020-7596
NSN 5960-00-061-8105