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 5990-00-398-0507
NSN 5950-00-637-6131
NSN 5960-01-432-6038
NSN 5998-01-298-4576
NSN 5950-01-549-2725
NSN 6135-00-145-8884
NSN 5945-00-215-0221
NSN 5999-00-731-4416
NSN 5996-01-580-0582
NSN 5855-01-388-2424
NSN 5895-01-577-6572
NSN 5925-00-081-9135