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 4140-01-310-5045
NSN 5935-01-469-9282
NSN 6110-01-529-2963
NSN 2925-01-339-6972
NSN 6220-01-457-7766
NSN 5935-01-380-8323
NSN 5985-01-518-8282
NSN 5975-00-441-1042
NSN 6110-01-063-8309
NSN 6620-01-357-5045
NSN 5975-01-173-8789
NSN 6130-01-187-8450