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 4140-01-456-9465
NSN 6610-00-518-4919
NSN 6220-00-834-1852
NSN 5835-01-218-9340
NSN 6135-01-534-3007
NSN 6240-01-623-2413
NSN 6650-00-063-4484
NSN 5895-01-036-1384
NSN 5996-01-399-6677
NSN 6105-00-038-7518
NSN 5905-00-829-3782
NSN 5835-00-770-2843