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 5935-01-338-1544
NSN 6130-01-459-8215
NSN 6150-01-411-1823
NSN 5975-01-248-9329
NSN 5945-01-394-2206
NSN 5945-01-310-4610
NSN 6135-01-528-6896
NSN 5925-01-540-7580
NSN 6135-01-437-6409
NSN 5990-01-054-3332
NSN 6620-00-383-8740
NSN 6240-00-567-4795