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 6610-00-664-2190
NSN 2925-01-224-1885
NSN 5895-01-513-7386
NSN 5998-00-202-6279
NSN 6110-00-889-1263
NSN 6650-00-450-9893
NSN 5945-01-649-7404
NSN 6610-00-851-8727
NSN 4140-01-243-3187
NSN 6105-01-417-1829
NSN 5990-01-434-7913
NSN 5998-01-006-9603