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 6145-01-641-7703
NSN 5975-01-399-0113
NSN 6220-01-504-6494
NSN 5920-01-568-2864
NSN 5915-01-426-8862
NSN 5915-01-462-2124
NSN 5998-01-482-9784
NSN 6145-01-428-9571
NSN 6320-00-322-3460
NSN 6610-01-522-5751
NSN 5920-00-476-0528
NSN 5930-01-524-1813