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 5975-01-598-3326
NSN 6240-00-999-7806
NSN 5960-00-912-1114
NSN 4140-01-231-9419
NSN 6150-01-291-4877
NSN 5920-00-491-6687
NSN 5985-00-917-9434
NSN 5930-01-608-4612
NSN 5915-01-571-7341
NSN 6685-01-650-9577
NSN 6645-01-277-0530
NSN 6685-01-516-0944