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 5910-00-729-4963
NSN 5925-01-406-3455
NSN 5855-00-256-5562
NSN 5998-01-396-2223
NSN 5999-01-537-7932
NSN 5975-01-616-4998
NSN 6610-01-542-9725
NSN 6105-00-888-5086
NSN 5905-00-661-2395
NSN 6320-00-779-5923
NSN 5990-01-363-3370
NSN 6150-00-400-0510