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 5960-01-228-4532
NSN 5990-00-241-3780
NSN 6220-00-065-7948
NSN 5835-01-360-2657
NSN 5920-00-413-3341
NSN 5965-00-564-4399
NSN 6105-01-292-9176
NSN 5985-00-074-1002
NSN 6240-01-346-8215
NSN 6220-01-556-7164
NSN 6610-01-406-4985
NSN 5895-01-447-8993