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 5996-01-633-7979
NSN 4140-01-416-7934
NSN 5985-00-857-5622
NSN 5975-01-239-4207
NSN 5950-01-392-9617
NSN 5975-01-330-7227
NSN 5985-01-646-9445
NSN 5960-00-199-6034
NSN 5985-01-306-3911
NSN 5998-01-170-4352
NSN 5855-01-331-8502
NSN 5950-01-210-7662