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 6620-00-946-2677
NSN 6130-00-507-9189
NSN 6320-01-228-2380
NSN 5930-01-091-1475
NSN 5855-01-492-6385
NSN 6610-01-202-7404
NSN 6145-01-298-3151
NSN 5905-00-828-4176
NSN 5985-01-531-7372
NSN 5950-01-528-0182
NSN 5935-01-611-2171
NSN 6130-01-273-0944