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 5950-00-256-4246
NSN 5835-01-319-0262
NSN 5975-01-150-7948
NSN 6145-01-197-9558
NSN 5895-01-660-4138
NSN 6130-01-465-4979
NSN 5910-00-913-1974
NSN 5975-01-189-8050
NSN 5910-01-075-1557
NSN 6145-01-225-9931
NSN 6110-00-860-1014
NSN 5905-01-623-9127