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 5835-01-502-9228
NSN 5950-00-096-2919
NSN 6130-01-139-6339
NSN 5975-01-634-0678
NSN 6620-01-196-3548
NSN 6135-01-184-0727
NSN 5990-01-392-5682
NSN 7035-01-474-6127
NSN 5835-00-063-0390
NSN 5950-01-084-4852
NSN 6135-01-603-8367
NSN 5855-01-550-0000