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 4140-00-758-7686
NSN 5925-01-258-4640
NSN 6320-01-585-8468
NSN 6620-00-957-4239
NSN 5999-00-730-8613
NSN 5990-00-798-7794
NSN 5930-01-325-2252
NSN 5910-00-552-0186
NSN 5835-00-764-4388
NSN 6150-00-875-0869
NSN 6320-01-436-9228
NSN 5935-01-077-3937