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 4140-01-130-3824
NSN 5905-00-925-4557
NSN 5835-00-785-0486
NSN 5895-01-066-8599
NSN 6135-00-110-1981
NSN 5915-00-332-1006
NSN 5965-01-241-7622
NSN 5935-00-143-1399
NSN 6240-00-781-9899
NSN 6645-01-383-7362
NSN 5835-01-023-8733
NSN 7035-01-375-3719