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 5945-00-532-3894
NSN 5975-00-529-3835
NSN 5999-01-325-3322
NSN 5915-00-847-7890
NSN 5895-01-496-8049
NSN 5999-01-422-2962
NSN 5965-00-156-8562
NSN 6110-01-155-1626
NSN 6150-01-472-4124
NSN 5895-00-982-8759
NSN 5930-00-950-9653
NSN 7035-00-215-3272