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 5915-00-450-6162
NSN 5915-00-107-6828
NSN 5990-01-533-1347
NSN 5930-01-201-7679
NSN 4140-00-340-1592
NSN 6105-00-804-5235
NSN 6220-00-707-5044
NSN 6240-01-446-6315
NSN 6240-01-364-6965
NSN 5950-01-652-3667
NSN 6620-00-038-5343
NSN 5960-00-689-8514