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 5975-01-248-6223
NSN 6650-01-633-9147
NSN 5990-00-719-4947
NSN 5920-01-010-3293
NSN 6145-01-437-7086
NSN 5965-01-370-1891
NSN 5998-00-528-1813
NSN 5945-00-447-1934
NSN 6610-00-722-7472
NSN 6685-01-486-0905
NSN 6685-01-503-9849
NSN 5905-01-157-1979