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 6145-01-131-8557
NSN 6620-00-078-1040
NSN 5950-01-628-4557
NSN 5998-01-338-9790
NSN 5945-01-303-6361
NSN 5925-00-938-2840
NSN 6320-01-253-9585
NSN 5855-01-358-5253
NSN 6150-01-102-4997
NSN 5920-00-527-9473
NSN 6150-01-596-8265
NSN 5960-00-834-4045