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 5925-01-391-8077
NSN 5996-01-542-8611
NSN 6150-01-441-4740
NSN 5999-00-566-3180
NSN 6145-00-117-4806
NSN 5996-01-425-1455
NSN 5910-01-500-2257
NSN 5920-00-311-3095
NSN 4140-01-364-9797
NSN 6620-01-311-3516
NSN 6610-01-643-6652
NSN 6150-00-276-7483