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 5998-01-235-2847
NSN 6135-01-659-5393
NSN 5905-01-361-9076
NSN 6145-01-510-2083
NSN 5998-01-374-1551
NSN 5998-01-031-5072
NSN 6130-01-406-2264
NSN 5950-01-288-0564
NSN 5998-00-161-5161
NSN 5925-00-203-1278
NSN 5950-01-198-0261
NSN 6150-00-964-6267