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 5835-01-416-6449
NSN 5895-00-484-4747
NSN 5910-00-911-5952
NSN 5855-01-492-6913
NSN 5985-01-540-3588
NSN 6135-01-377-5729
NSN 5965-00-173-4440
NSN 5935-01-463-8424
NSN 6110-01-530-8458
NSN 5920-00-633-0404
NSN 6150-01-442-6422
NSN 4140-01-508-4512