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 5999-01-629-5238
NSN 6150-00-004-1225
NSN 5835-00-733-9145
NSN 5895-00-418-2221
NSN 5965-00-083-8157
NSN 4140-01-521-9122
NSN 4140-01-171-0785
NSN 5915-00-099-0347
NSN 6240-01-616-1698
NSN 5975-00-841-8774
NSN 5999-01-503-3701
NSN 5835-01-461-8184