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 5960-00-940-7976
NSN 6645-00-948-9763
NSN 5950-01-398-7210
NSN 6645-00-318-5721
NSN 6650-01-612-8234
NSN 6650-01-273-3152
NSN 5910-00-652-6057
NSN 5999-01-325-0915
NSN 5835-00-217-2147
NSN 6105-01-594-2251
NSN 6135-01-338-8969
NSN 6610-01-263-5517