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 6135-01-177-3552
NSN 6320-01-492-1976
NSN 5965-00-258-6809
NSN 5930-01-177-8929
NSN 5935-01-003-9683
NSN 5935-00-279-1778
NSN 5910-01-573-6538
NSN 6645-00-080-1087
NSN 6240-01-306-4320
NSN 5950-01-353-2884
NSN 5930-00-773-2006
NSN 5975-01-268-8722