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 5930-00-385-3653
NSN 5975-01-269-7156
NSN 5910-00-296-8816
NSN 5920-00-127-7629
NSN 5985-00-964-7692
NSN 4140-00-881-3418
NSN 5920-01-544-6382
NSN 5975-01-200-7059
NSN 6150-01-583-9730
NSN 6610-01-136-4866
NSN 6650-01-597-8949
NSN 6620-01-386-5914