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 5998-01-089-8180
NSN 5985-01-654-2834
NSN 6220-01-451-3056
NSN 5915-01-161-9578
NSN 6135-01-321-5659
NSN 5999-01-188-5914
NSN 5855-01-372-1622
NSN 5920-01-372-0840
NSN 5960-00-467-7400
NSN 5996-00-153-9055
NSN 5998-01-512-7821
NSN 5915-01-615-9346