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 6650-01-057-3949
NSN 5999-00-212-4899
NSN 5950-01-036-6154
NSN 6240-01-184-6831
NSN 5835-00-568-2956
NSN 6645-01-443-4854
NSN 5925-01-422-4748
NSN 2925-00-546-3129
NSN 5950-00-173-0274
NSN 5920-01-582-8569
NSN 6610-01-349-6333
NSN 7035-01-350-4247