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 6620-01-260-9142
NSN 5945-01-340-9893
NSN 6135-00-938-1351
NSN 5996-00-823-9164
NSN 5996-00-294-7045
NSN 6105-00-435-0693
NSN 5975-01-159-4906
NSN 5895-01-451-0743
NSN 6150-01-449-1339
NSN 5945-01-398-0785
NSN 5985-01-397-9858
NSN 5895-00-958-7607