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 5855-00-494-9581
NSN 5915-01-652-9160
NSN 6145-00-674-1807
NSN 5920-00-755-2599
NSN 5950-01-297-9498
NSN 6650-01-447-2858
NSN 6150-00-233-6356
NSN 6320-00-404-3637
NSN 5990-01-411-5930
NSN 5985-01-225-5536
NSN 5975-00-018-7143
NSN 6145-01-437-7710