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 5999-00-056-7805
NSN 6150-01-548-3896
NSN 6620-01-349-4469
NSN 5945-01-446-4534
NSN 5998-01-291-6441
NSN 5998-01-475-0269
NSN 5996-01-611-2206
NSN 6650-01-429-9242
NSN 6240-01-643-5990
NSN 6610-00-441-7243
NSN 5915-01-633-9845
NSN 5930-00-642-9974