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 5905-00-241-2902
NSN 5950-00-187-7581
NSN 5905-00-201-0513
NSN 5985-00-460-5640
NSN 6685-01-358-2885
NSN 6685-01-098-2486
NSN 5920-00-478-1280
NSN 6105-01-510-1828
NSN 6685-00-555-3054
NSN 5895-01-534-8425
NSN 5996-00-038-8276
NSN 6110-01-523-3095