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 5905-00-684-4999
NSN 6135-00-932-3136
NSN 5855-00-631-4565
NSN 5920-00-465-0594
NSN 5915-00-406-3959
NSN 5910-00-714-0008
NSN 5998-01-520-6322
NSN 5905-01-181-6561
NSN 5990-00-133-7734
NSN 6105-01-558-8582
NSN 6135-01-297-5565
NSN 6130-01-157-5052