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 6150-01-035-5608
NSN 5905-01-437-6521
NSN 5910-00-067-8715
NSN 5945-00-185-6609
NSN 5835-01-090-0784
NSN 6150-01-425-6009
NSN 5855-00-688-9954
NSN 5930-00-776-7214
NSN 6150-01-315-4341
NSN 5915-01-100-3241
NSN 6135-00-461-3590
NSN 6645-01-633-1852