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 6240-00-290-4185
NSN 5910-00-765-8868
NSN 5855-01-581-4629
NSN 5950-01-424-0257
NSN 6110-01-274-8039
NSN 6645-01-471-4960
NSN 5998-00-466-3142
NSN 6145-01-512-8688
NSN 6650-01-306-6079
NSN 6610-01-513-8405
NSN 5855-01-147-6024
NSN 5915-01-075-3673