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 5905-01-644-9805
NSN 5925-00-070-5011
NSN 5945-00-924-5557
NSN 5905-01-088-2788
NSN 6650-01-145-5173
NSN 6150-01-365-1600
NSN 5925-01-147-5368
NSN 5998-01-184-1854
NSN 5965-01-023-0809
NSN 6650-00-987-5070
NSN 6320-01-359-3921
NSN 5965-01-629-0975