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 6650-01-243-2481
NSN 4140-00-516-5002
NSN 5895-01-177-1651
NSN 6620-01-435-8672
NSN 6135-01-534-3007
NSN 5950-01-162-3906
NSN 5945-01-283-2817
NSN 6150-00-944-6696
NSN 6105-01-643-0555
NSN 5910-01-188-6473
NSN 5975-00-754-4142
NSN 6685-01-565-7865