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 5999-00-960-8232
NSN 6685-01-603-7884
NSN 6645-01-071-0727
NSN 6320-01-255-2096
NSN 4140-01-112-1729
NSN 6240-01-197-0489
NSN 5999-00-233-0619
NSN 5905-00-205-2595
NSN 5950-00-321-8419
NSN 5999-01-073-2617
NSN 6620-01-187-7267
NSN 5950-00-362-5661