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 5920-00-068-5139
NSN 6650-01-437-8852
NSN 6105-01-445-6574
NSN 6240-01-339-0069
NSN 5998-00-141-3955
NSN 6220-01-359-8322
NSN 5975-01-533-8414
NSN 5990-01-378-7349
NSN 4140-00-228-1280
NSN 6240-00-455-7640
NSN 6105-00-384-1693
NSN 6110-00-109-5758