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 6240-01-537-3218
NSN 5996-01-012-1742
NSN 2925-00-707-6770
NSN 5855-01-053-6782
NSN 6620-01-321-5514
NSN 6610-00-444-4952
NSN 5930-00-791-6090
NSN 6150-01-609-2240
NSN 5960-00-281-0824
NSN 4140-00-643-3744
NSN 5905-01-569-5566
NSN 5998-00-187-5248