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 5990-00-466-2952
NSN 5920-00-251-9142
NSN 5855-00-198-3197
NSN 5985-00-225-3525
NSN 5960-00-551-2633
NSN 5905-01-502-2133
NSN 6685-00-269-4895
NSN 6320-00-994-0179
NSN 5935-01-634-0668
NSN 6650-01-565-4594
NSN 6110-00-596-9124
NSN 5895-00-510-9169