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 5950-00-760-5918
NSN 6130-00-314-2673
NSN 4140-01-508-3910
NSN 5835-01-384-3206
NSN 5895-00-617-6340
NSN 5975-00-419-9812
NSN 6650-00-302-1407
NSN 5925-00-344-3156
NSN 6610-00-887-9457
NSN 6130-00-005-7033
NSN 5920-00-578-0009
NSN 5855-01-068-3683