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 6110-00-790-2781
NSN 6610-00-186-9180
NSN 6610-01-392-9620
NSN 5930-01-432-2481
NSN 5950-00-375-0714
NSN 5920-00-950-1802
NSN 5965-00-258-6809
NSN 5855-01-369-5037
NSN 6645-01-409-2003
NSN 5965-00-990-8669
NSN 6240-01-546-3885
NSN 6220-01-490-3344