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 6240-01-610-6150
NSN 5975-01-401-5355
NSN 6130-01-536-4113
NSN 5925-01-587-6139
NSN 6130-01-423-7271
NSN 5965-01-425-2039
NSN 5855-01-105-7793
NSN 5920-01-063-8250
NSN 6130-01-417-7589
NSN 5935-00-080-7586
NSN 5855-00-896-4047
NSN 6130-01-003-6132