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 6135-00-628-1142
NSN 6105-00-240-1055
NSN 6645-01-172-4477
NSN 5895-00-244-0943
NSN 5920-01-302-1995
NSN 6320-00-809-5744
NSN 5905-01-496-4269
NSN 5960-01-456-1735
NSN 5960-00-627-8574
NSN 5855-00-198-3197
NSN 5920-01-610-7598
NSN 5996-01-411-6195