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 5960-01-061-6216
NSN 5910-00-541-1381
NSN 5996-01-511-0458
NSN 6645-01-587-4642
NSN 5910-00-542-9673
NSN 5975-01-462-7500
NSN 6650-01-549-2596
NSN 5895-01-461-5442
NSN 6145-00-265-6205
NSN 6620-01-292-5072
NSN 5975-00-969-9045
NSN 6150-01-657-2955