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 5905-00-151-4762
NSN 6220-00-471-4011
NSN 5920-01-454-1360
NSN 6135-01-589-9467
NSN 6110-01-168-7711
NSN 6645-00-960-6594
NSN 6320-01-476-7702
NSN 6320-01-622-5493
NSN 6620-01-605-2590
NSN 5855-01-373-7538
NSN 6150-00-958-4173
NSN 6105-01-587-2068