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 5910-00-626-4268
NSN 5975-00-109-5370
NSN 5920-01-346-3611
NSN 6240-01-508-2848
NSN 6130-01-437-6785
NSN 5895-00-246-4415
NSN 5905-01-565-0089
NSN 5915-00-759-7784
NSN 5930-01-658-0571
NSN 2925-00-406-4381
NSN 6150-00-246-6673
NSN 6610-01-317-4859