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 5945-00-723-2949
NSN 5835-00-334-6556
NSN 5990-01-529-7307
NSN 6220-00-689-5469
NSN 6150-01-062-5642
NSN 2925-00-254-9776
NSN 6220-01-146-5152
NSN 6220-01-612-9418
NSN 5920-01-422-3730
NSN 6135-00-170-8819
NSN 6135-00-243-8330
NSN 6645-00-192-1152