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 6150-00-896-6753
NSN 6220-01-435-4839
NSN 5920-01-027-8113
NSN 5855-01-571-1557
NSN 5935-01-544-3899
NSN 5960-01-098-8437
NSN 6650-01-541-5930
NSN 4140-01-213-1941
NSN 5975-00-418-4967
NSN 5996-01-046-7377
NSN 5985-00-866-2852
NSN 5998-01-008-9615