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 5895-01-523-1081
NSN 5920-00-823-0969
NSN 6105-00-899-0415
NSN 5960-01-425-1454
NSN 5855-00-916-2236
NSN 5965-01-337-1217
NSN 6145-01-437-5505
NSN 6240-00-170-5302
NSN 5965-01-449-9343
NSN 6650-01-398-7323
NSN 6650-00-205-6282
NSN 6150-01-350-4811