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 6650-01-565-1471
NSN 6650-01-253-6794
NSN 5930-00-760-7238
NSN 5950-01-534-1811
NSN 5835-01-416-6449
NSN 6110-00-288-4179
NSN 4140-01-088-6624
NSN 5985-01-420-4040
NSN 5915-00-365-9951
NSN 6685-01-020-7235
NSN 6220-01-296-0860
NSN 5855-00-832-9341