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 5905-00-549-7692
NSN 6650-00-227-8743
NSN 6150-01-335-7703
NSN 6145-01-309-5222
NSN 5920-01-535-6498
NSN 6610-01-048-2870
NSN 5990-01-052-1987
NSN 5950-01-513-9995
NSN 5985-01-193-2964
NSN 5920-00-391-6252
NSN 6650-01-044-0183
NSN 6145-00-919-4232