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 6150-00-309-5215
NSN 6150-01-492-6195
NSN 7035-01-056-5350
NSN 6650-00-559-1462
NSN 6645-00-232-4070
NSN 6240-01-420-8320
NSN 5835-01-227-2318
NSN 5935-01-145-5498
NSN 4140-00-200-0970
NSN 5990-00-366-0112
NSN 6135-01-167-0759
NSN 6130-01-567-5272