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 5930-01-533-0957
NSN 5920-01-158-4517
NSN 5996-00-984-7641
NSN 5960-00-246-4623
NSN 5905-01-196-5230
NSN 5960-01-411-1825
NSN 6620-01-531-3250
NSN 6685-01-539-5530
NSN 5996-01-198-7707
NSN 7035-00-252-7467
NSN 6240-00-372-4841
NSN 5950-01-087-7904