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 6650-00-273-8732
NSN 4140-00-991-0766
NSN 5935-00-812-2903
NSN 5925-01-017-8150
NSN 5998-01-458-7130
NSN 5855-00-973-5717
NSN 5920-01-657-6238
NSN 5996-01-123-9038
NSN 6650-01-335-6669
NSN 6220-00-262-0017
NSN 5990-00-905-6472
NSN 5990-00-111-3614