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 5920-01-158-9798
NSN 6150-01-362-4159
NSN 5930-01-407-0604
NSN 5998-01-007-9679
NSN 5945-01-591-6758
NSN 6130-01-197-7397
NSN 5930-01-044-5261
NSN 5960-01-621-5699
NSN 6105-01-502-9273
NSN 4140-00-083-6072
NSN 6645-00-833-2395
NSN 6135-00-613-1068