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 5920-01-252-5562
NSN 5905-01-571-7949
NSN 6685-00-336-3135
NSN 6645-01-383-1083
NSN 5835-01-469-6706
NSN 5910-01-592-0009
NSN 5960-00-628-2003
NSN 5930-01-600-3940
NSN 6685-00-559-1326
NSN 5905-01-465-4405
NSN 6620-01-542-8709
NSN 6150-01-422-2755