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 6650-01-159-7961
NSN 5855-01-628-9909
NSN 5905-01-095-3817
NSN 7035-00-232-4043
NSN 5895-00-949-0673
NSN 5998-00-753-8891
NSN 6135-00-896-3187
NSN 5975-01-497-9558
NSN 5960-01-372-3290
NSN 6130-01-481-3599
NSN 5925-01-323-7756
NSN 6650-00-395-3089