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 6645-01-175-3568
NSN 6650-00-177-6390
NSN 6145-00-062-3701
NSN 6220-01-446-6430
NSN 5965-01-241-9865
NSN 6650-01-495-3744
NSN 5975-01-501-6297
NSN 5996-01-582-1031
NSN 6620-01-580-0883
NSN 5930-00-246-9047
NSN 5999-01-383-0280
NSN 5930-01-650-2552