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 5990-00-900-3222
NSN 5985-01-256-4096
NSN 4140-00-152-7092
NSN 6650-01-032-1786
NSN 5920-01-260-3945
NSN 5998-01-238-0103
NSN 5935-01-430-2481
NSN 6145-00-248-8965
NSN 5920-01-563-6565
NSN 6105-01-137-4470
NSN 5998-01-145-3022
NSN 5998-01-212-9902