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 6130-00-604-1180
NSN 6620-01-251-8856
NSN 5945-01-349-7116
NSN 5985-01-556-2713
NSN 5855-00-361-0167
NSN 5965-01-207-7026
NSN 5999-01-202-8707
NSN 5925-00-226-1155
NSN 5895-01-559-6506
NSN 5996-01-157-1857
NSN 6240-01-160-7934
NSN 5915-00-567-2826