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 6610-01-560-9461
NSN 5975-01-461-5343
NSN 5930-00-192-0381
NSN 5985-01-104-4324
NSN 6135-01-506-0759
NSN 5855-00-991-0096
NSN 5910-01-243-5609
NSN 5985-01-236-5359
NSN 5925-01-634-0664
NSN 6650-00-818-2741
NSN 6220-01-201-3326
NSN 5920-01-261-6358