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 6650-00-316-0260
NSN 5990-01-439-4643
NSN 6135-01-215-1245
NSN 5905-00-823-1844
NSN 6105-01-615-2328
NSN 6130-00-265-1765
NSN 6220-00-480-9172
NSN 5920-01-310-2927
NSN 5935-00-479-6521
NSN 6650-00-702-3560
NSN 5999-01-423-1030
NSN 4140-01-182-4830