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 5960-00-102-8128
NSN 5999-01-342-1379
NSN 5985-01-499-5357
NSN 5925-01-582-4915
NSN 5935-01-508-8892
NSN 6685-00-653-1190
NSN 6135-01-437-6409
NSN 6650-00-870-6281
NSN 5975-01-133-8937
NSN 5996-00-581-5810
NSN 5965-01-610-5410
NSN 4140-00-839-4911