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 5960-01-377-1907
NSN 5915-01-581-9183
NSN 5950-00-905-6887
NSN 5925-01-501-8667
NSN 5935-01-227-9345
NSN 6150-00-935-0369
NSN 5985-00-138-0189
NSN 5999-01-064-2112
NSN 6320-01-422-1212
NSN 6320-00-139-1090
NSN 5935-01-107-6225
NSN 6320-01-592-6248