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 5975-01-363-9453
NSN 5925-00-650-1069
NSN 6620-01-039-5468
NSN 5985-00-124-8849
NSN 6110-00-592-7474
NSN 7035-01-512-7776
NSN 5960-01-533-5162
NSN 6110-01-063-7423
NSN 5999-01-570-3056
NSN 5855-01-616-8724
NSN 5920-01-449-2172
NSN 4140-01-367-5824