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 6150-01-451-6761
NSN 6645-01-520-6563
NSN 5999-01-356-4769
NSN 6105-01-564-3441
NSN 5920-01-025-1618
NSN 5920-01-459-2299
NSN 6105-01-051-0471
NSN 5960-01-593-4760
NSN 5960-01-598-9072
NSN 6105-01-309-7509
NSN 5920-01-090-3285
NSN 6130-00-815-0307