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 5935-00-604-0590
NSN 5935-01-416-4863
NSN 5975-01-233-9887
NSN 5855-01-304-3064
NSN 6650-00-652-3553
NSN 5835-01-232-4035
NSN 6620-01-563-5251
NSN 5925-00-812-2790
NSN 5965-00-139-4870
NSN 6620-01-244-0260
NSN 5960-00-872-4838
NSN 4140-01-388-2007