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 6320-00-646-3311
NSN 6240-00-894-4604
NSN 5855-01-581-2143
NSN 6240-01-462-1874
NSN 5920-00-971-6795
NSN 5915-00-170-9744
NSN 5945-00-107-2953
NSN 5925-01-044-5508
NSN 6620-01-468-0362
NSN 5990-00-411-6944
NSN 4140-01-359-2895
NSN 4140-01-220-4377