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 5925-00-960-5214
NSN 5855-00-779-2854
NSN 6650-00-970-8110
NSN 6105-00-329-3129
NSN 5920-00-155-2173
NSN 5999-01-147-5317
NSN 5835-00-888-9422
NSN 5835-01-532-5948
NSN 6320-01-554-0901
NSN 5998-01-283-4469
NSN 6645-01-092-4733
NSN 2925-01-009-9560