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 5975-00-269-8391
NSN 6620-00-176-5722
NSN 6650-01-633-9147
NSN 5930-01-250-6901
NSN 5990-01-431-3725
NSN 5895-01-494-2437
NSN 5998-01-282-5331
NSN 6130-01-289-4084
NSN 6645-00-140-5173
NSN 5996-01-500-9861
NSN 2925-00-915-1827
NSN 6320-01-078-8257