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 6110-00-591-1227
NSN 6105-01-313-8299
NSN 6620-00-224-7739
NSN 5835-00-233-6327
NSN 6135-01-558-4194
NSN 6130-00-882-6724
NSN 2925-00-486-8640
NSN 6135-00-057-2005
NSN 6610-01-381-3181
NSN 6110-01-054-3032
NSN 5996-01-457-7263
NSN 5999-01-400-1999