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 6610-01-473-1843
NSN 6110-01-196-5496
NSN 5985-01-206-1591
NSN 6620-01-400-2928
NSN 6240-01-460-0331
NSN 6220-01-203-7555
NSN 5965-00-970-6431
NSN 6240-00-467-7295
NSN 6220-01-056-4874
NSN 5905-01-640-7766
NSN 6685-00-113-5440
NSN 5960-01-092-4762