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 5925-01-462-1603
NSN 4140-00-238-9940
NSN 5905-01-547-2683
NSN 5950-00-175-9197
NSN 4140-01-540-8003
NSN 5945-01-128-6709
NSN 6645-01-195-0561
NSN 5960-01-495-0859
NSN 6145-00-985-8348
NSN 4140-01-469-2266
NSN 5895-01-099-7794
NSN 5895-01-363-9865