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 5950-01-399-7146
NSN 5998-00-141-9872
NSN 6240-00-951-6643
NSN 5895-01-055-4235
NSN 5835-01-250-2939
NSN 5935-00-396-1327
NSN 5915-00-509-7428
NSN 5999-01-213-5159
NSN 4140-01-106-2559
NSN 5920-01-268-2188
NSN 6105-00-509-0720
NSN 6610-01-084-4488