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 6110-00-939-7065
NSN 5999-00-042-5355
NSN 6110-00-553-8816
NSN 5960-01-167-8796
NSN 6645-01-076-4655
NSN 6130-01-598-7770
NSN 6130-00-416-6592
NSN 5975-01-181-2267
NSN 5990-01-575-3275
NSN 6650-01-151-3429
NSN 6650-01-234-1895
NSN 5895-01-628-4462