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 6130-01-307-8100
NSN 6650-01-508-3651
NSN 5920-01-227-1877
NSN 5950-00-420-2919
NSN 4140-00-203-0812
NSN 5965-01-289-2107
NSN 5945-00-642-5755
NSN 6105-01-262-0183
NSN 5930-01-433-3142
NSN 5945-01-603-4369
NSN 5990-00-860-9207
NSN 5835-00-113-6090