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 6650-00-937-5319
NSN 5965-01-365-1678
NSN 5950-01-528-7982
NSN 5960-00-837-5146
NSN 5975-00-966-7706
NSN 5835-01-561-2959
NSN 5990-01-598-8769
NSN 6220-01-397-5678
NSN 5985-01-544-5603
NSN 5935-00-674-8463
NSN 6650-01-014-5990
NSN 5920-01-543-0111