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 5920-01-311-6855
NSN 5925-00-800-9894
NSN 5930-01-440-3158
NSN 6110-01-184-3658
NSN 5975-00-902-3578
NSN 5855-00-221-9435
NSN 5935-01-349-7793
NSN 6645-01-360-2866
NSN 5855-00-487-9691
NSN 6620-00-342-0751
NSN 6220-00-279-8819
NSN 6130-00-423-5349