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 5999-01-173-3179
NSN 6620-00-375-0393
NSN 5855-01-081-4114
NSN 6685-01-165-8963
NSN 5960-00-086-2421
NSN 5996-01-554-1042
NSN 5999-00-773-3493
NSN 5835-01-399-5820
NSN 5950-00-962-8568
NSN 5905-01-509-1983
NSN 5985-01-341-6564
NSN 6240-01-522-7847