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 5999-01-161-3080
NSN 5960-01-462-6267
NSN 5925-00-938-7370
NSN 5990-01-559-0578
NSN 5965-01-537-5280
NSN 6220-01-522-1884
NSN 6610-00-495-9053
NSN 2925-01-570-2562
NSN 6110-00-566-8923
NSN 6620-01-557-1941
NSN 5905-00-222-4322
NSN 5965-00-605-8239