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 5990-00-510-2098
NSN 5996-01-044-2465
NSN 5905-00-491-2781
NSN 5965-01-026-8624
NSN 5998-01-409-2874
NSN 5999-01-366-4639
NSN 5905-00-150-8601
NSN 6650-01-307-1041
NSN 4140-01-254-5928
NSN 7035-01-512-7776
NSN 6620-01-223-9025
NSN 6620-01-370-6829