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 4140-00-078-9357
NSN 5965-01-302-8522
NSN 7035-00-585-2113
NSN 6650-01-130-6799
NSN 6685-01-136-6885
NSN 6220-00-528-7752
NSN 6220-00-520-0333
NSN 5999-01-630-2655
NSN 6135-00-016-0071
NSN 6105-00-824-4118
NSN 6240-00-807-8512
NSN 6110-01-243-0446