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 5999-01-423-8329
NSN 5930-01-654-0153
NSN 5915-01-144-7696
NSN 5920-00-585-0104
NSN 6130-01-585-2320
NSN 6110-00-488-0260
NSN 6650-01-370-0589
NSN 5965-01-126-2832
NSN 6135-00-754-8191
NSN 5930-00-792-8243
NSN 6645-00-724-7668
NSN 6150-00-520-5510