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 5915-01-653-0627
NSN 6650-00-684-3060
NSN 6145-00-802-6489
NSN 6620-01-371-5040
NSN 5855-00-466-2309
NSN 4140-00-148-7013
NSN 6620-01-454-5717
NSN 4140-01-568-5297
NSN 6645-01-069-8746
NSN 4140-01-348-7633
NSN 5990-01-568-5565
NSN 6105-00-038-7518