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 5998-00-243-7459
NSN 6135-01-653-6113
NSN 6650-00-349-8732
NSN 5915-01-605-9068
NSN 5935-01-211-6986
NSN 6145-01-429-8529
NSN 5998-01-390-9234
NSN 5835-01-218-5560
NSN 5998-00-493-5159
NSN 6135-01-592-4139
NSN 6130-01-278-9305
NSN 6220-01-362-0390