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 5920-00-189-0858
NSN 6110-01-654-6378
NSN 5960-01-212-4227
NSN 5945-01-004-6050
NSN 5975-00-195-5382
NSN 5920-01-141-6885
NSN 5915-00-932-1403
NSN 5905-00-960-6807
NSN 6240-01-641-2666
NSN 6130-00-150-7294
NSN 5915-01-189-7280
NSN 4140-00-152-7092