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 6610-01-255-3258
NSN 5905-01-189-0447
NSN 6110-01-561-9281
NSN 5935-01-051-0673
NSN 5996-01-285-4478
NSN 5920-01-317-3506
NSN 5925-00-413-1210
NSN 6105-00-279-3044
NSN 5925-00-227-0396
NSN 5925-00-262-6087
NSN 5895-00-760-4292
NSN 5855-01-224-7975