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 5910-01-378-7026
NSN 5950-00-860-1040
NSN 6135-01-360-9666
NSN 6105-00-168-3916
NSN 5999-01-372-2591
NSN 5835-01-548-7454
NSN 5950-00-826-9034
NSN 5855-00-631-4565
NSN 5985-01-193-0009
NSN 5915-01-362-1588
NSN 5998-01-306-9759
NSN 6610-01-628-6044