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 5905-00-276-1918
NSN 6620-01-360-3453
NSN 6220-01-339-9663
NSN 5945-00-169-1882
NSN 6220-01-436-6166
NSN 5975-01-607-6493
NSN 5965-00-062-0559
NSN 5990-00-421-0956
NSN 6105-01-475-8569
NSN 5935-01-224-8263
NSN 5915-01-211-4934
NSN 5920-01-418-1821