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 6220-01-050-8923
NSN 6320-01-501-7935
NSN 4140-00-069-3506
NSN 5996-00-143-9377
NSN 5996-00-514-2882
NSN 6110-01-553-8608
NSN 6145-00-309-2211
NSN 5835-01-104-8914
NSN 5905-01-346-7809
NSN 6240-01-467-9719
NSN 6610-01-417-6336
NSN 6220-00-276-8681