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 6240-00-400-7980
NSN 5895-01-243-0000
NSN 5996-01-371-2958
NSN 5990-01-288-7393
NSN 7035-01-398-9581
NSN 5920-01-214-5508
NSN 6220-01-262-7302
NSN 5945-00-272-8958
NSN 5998-00-003-9789
NSN 6220-01-537-6224
NSN 5935-01-351-5618
NSN 7035-01-487-6481