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 5915-01-472-7169
NSN 6650-01-369-6536
NSN 6220-01-425-1588
NSN 5915-01-442-8469
NSN 4140-00-643-3744
NSN 5855-01-511-8619
NSN 6130-01-340-5272
NSN 6130-00-299-0395
NSN 6145-00-107-7913
NSN 6105-01-371-1635
NSN 6220-00-281-5974
NSN 6610-01-032-5335