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 5999-00-556-3043
NSN 5855-01-138-4985
NSN 5975-01-218-8584
NSN 5915-00-276-8332
NSN 6105-00-308-2753
NSN 5950-00-835-7472
NSN 5835-00-419-0575
NSN 5925-00-529-0441
NSN 5965-00-199-4456
NSN 7035-01-131-1168
NSN 6610-01-406-4985
NSN 5985-01-506-6587