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 5990-00-518-0684
NSN 5950-01-435-5478
NSN 5905-00-221-8056
NSN 5950-01-484-1826
NSN 5996-00-357-2948
NSN 6620-01-408-4464
NSN 5855-01-473-6076
NSN 6135-01-255-9129
NSN 6610-01-234-9098
NSN 5965-01-359-5501
NSN 5930-00-156-3386
NSN 6240-01-372-2039