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 6685-00-484-8137
NSN 5835-01-085-5487
NSN 5930-01-631-7782
NSN 5998-01-630-5638
NSN 5999-00-390-1324
NSN 5915-01-541-3957
NSN 4140-00-542-4611
NSN 5965-01-601-4332
NSN 5999-00-844-7422
NSN 5905-00-057-6725
NSN 6240-00-972-0904
NSN 6650-01-222-1749