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 6150-00-927-1392
NSN 5915-00-468-3911
NSN 6650-01-633-9147
NSN 5990-00-530-3855
NSN 6645-00-279-1777
NSN 5855-01-619-9240
NSN 5945-01-321-7820
NSN 5835-00-170-5238
NSN 5835-01-038-8459
NSN 6650-00-953-0127
NSN 5920-01-250-5968
NSN 5905-01-319-2974