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 6220-00-149-0977
NSN 6240-01-508-4146
NSN 5935-00-377-0157
NSN 4140-01-500-1187
NSN 5975-00-497-0289
NSN 5910-00-294-9439
NSN 5950-00-106-8465
NSN 5999-01-388-1344
NSN 5985-00-319-7565
NSN 6320-00-116-3658
NSN 6610-00-225-9886
NSN 5990-00-759-9305