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 4140-00-091-0869
NSN 5990-00-530-3855
NSN 6105-01-188-6635
NSN 6240-01-284-2681
NSN 5905-00-376-1771
NSN 6220-00-316-2500
NSN 6650-00-527-8822
NSN 6240-01-334-6961
NSN 5975-00-676-7254
NSN 5930-01-169-1474
NSN 6105-01-241-5778
NSN 5990-00-351-5479