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 5920-01-504-6284
NSN 6150-01-167-5133
NSN 6135-00-161-0746
NSN 6220-00-020-3168
NSN 6685-00-111-1123
NSN 5950-01-032-8165
NSN 5965-00-113-9748
NSN 5945-00-583-3283
NSN 6105-01-502-6308
NSN 4140-01-534-6960
NSN 6645-01-421-2445
NSN 6240-01-605-8096