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 5999-01-612-9353
NSN 6110-01-412-2133
NSN 6145-01-573-0870
NSN 5950-00-597-3661
NSN 6105-00-460-3852
NSN 6145-00-450-1947
NSN 5950-00-946-3480
NSN 5996-00-055-3866
NSN 6105-00-588-7513
NSN 6130-01-632-5001
NSN 7035-00-155-9513
NSN 6620-01-247-4127