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 6105-01-629-8137
NSN 5960-01-183-3779
NSN 6150-01-140-0027
NSN 6110-01-532-4023
NSN 4140-01-040-1700
NSN 6105-01-330-8030
NSN 5996-01-552-6577
NSN 4140-01-290-4026
NSN 5920-01-618-9362
NSN 5910-01-364-1641
NSN 6130-00-476-0564
NSN 7035-00-335-7283