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 5945-01-612-1804
NSN 6220-00-828-9843
NSN 6650-01-629-9480
NSN 6610-00-221-6124
NSN 6240-01-242-7733
NSN 5999-00-502-6222
NSN 6150-01-151-1466
NSN 5945-01-333-4240
NSN 6240-01-274-4237
NSN 6130-00-959-5800
NSN 6645-00-959-6502
NSN 5960-01-593-4760