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 5960-01-512-0233
NSN 5975-00-391-1108
NSN 6610-01-625-2926
NSN 6105-00-657-8098
NSN 7035-00-931-9415
NSN 5920-00-529-0618
NSN 5855-00-631-4565
NSN 5935-01-386-4232
NSN 7035-01-029-7221
NSN 6135-00-299-6918
NSN 5975-01-124-9225
NSN 5999-01-038-8473