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 6650-01-422-1037
NSN 5920-01-590-9191
NSN 6110-00-727-9175
NSN 5990-00-518-3195
NSN 5990-01-507-7495
NSN 4140-01-290-4026
NSN 5975-00-279-8693
NSN 6620-01-658-8133
NSN 5950-01-506-0303
NSN 5835-01-198-6814
NSN 5895-00-514-2905
NSN 5945-01-303-6745