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 5855-01-250-2421
NSN 5960-00-989-1251
NSN 5950-00-239-3979
NSN 5975-01-268-3834
NSN 6685-00-791-7284
NSN 5990-01-544-4360
NSN 5960-01-543-0235
NSN 5985-00-490-7813
NSN 6685-00-768-7208
NSN 6620-01-505-7921
NSN 6650-01-558-5796
NSN 6150-01-378-2877