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 6220-01-446-6430
NSN 7035-01-549-0905
NSN 6610-01-512-2025
NSN 6220-00-951-6900
NSN 6130-01-143-8189
NSN 6645-00-411-3733
NSN 5990-01-251-0234
NSN 5999-00-020-1687
NSN 6610-01-370-8748
NSN 6620-00-104-6937
NSN 6240-01-418-5021
NSN 5998-01-228-5158