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 5950-00-905-8305
NSN 5855-01-010-4921
NSN 6620-01-453-9971
NSN 6220-01-616-2987
NSN 5920-01-604-8459
NSN 7035-00-887-4674
NSN 6685-01-414-1904
NSN 6650-00-774-7078
NSN 6320-01-078-8257
NSN 6620-00-245-0897
NSN 5915-01-069-5748
NSN 5999-01-281-3180