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 5950-01-429-9156
NSN 5985-00-369-3585
NSN 5965-01-598-8882
NSN 6110-01-155-1626
NSN 4140-00-679-8630
NSN 6610-01-562-0846
NSN 5920-00-904-3727
NSN 6110-00-583-9821
NSN 5975-00-392-7971
NSN 5920-00-243-9506
NSN 5945-00-110-1615
NSN 5945-01-481-4293