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 5915-00-109-2903
NSN 5960-01-321-2750
NSN 5925-01-390-5119
NSN 5920-01-063-1874
NSN 5999-00-081-8621
NSN 5835-00-617-3578
NSN 5855-00-198-3197
NSN 5998-01-608-3771
NSN 5996-01-432-6124
NSN 5990-00-761-9160
NSN 5895-00-942-2833
NSN 5999-01-598-8960