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 5920-00-391-6252
NSN 5998-00-339-2964
NSN 6110-00-585-8920
NSN 5975-01-418-3278
NSN 6110-01-262-0094
NSN 6110-01-429-7851
NSN 2925-01-448-2880
NSN 5895-01-063-6938
NSN 6130-00-456-0206
NSN 5895-00-074-2068
NSN 5998-01-480-6501
NSN 6650-00-891-4534