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 5950-00-261-7074
NSN 5935-01-431-5756
NSN 6620-01-468-6017
NSN 5999-01-127-6936
NSN 6320-01-141-3791
NSN 6220-01-422-1429
NSN 6110-00-060-4679
NSN 5945-01-331-9561
NSN 6320-01-497-3116
NSN 6150-01-608-3590
NSN 5965-01-526-3190
NSN 5910-01-436-0402