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 6620-01-509-5674
NSN 6145-01-431-2262
NSN 5905-00-174-8609
NSN 5998-01-164-1899
NSN 6610-01-627-0642
NSN 5999-01-071-9090
NSN 6130-00-020-1881
NSN 5960-00-170-6447
NSN 5930-01-170-5280
NSN 5996-00-739-2315
NSN 6130-01-481-5612
NSN 5950-01-461-8291