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 5985-01-297-6982
NSN 5910-01-241-7731
NSN 6650-01-265-0650
NSN 6130-01-561-4638
NSN 6135-00-461-3590
NSN 6240-01-390-6354
NSN 5990-01-262-4068
NSN 5985-01-513-2182
NSN 6650-00-170-5095
NSN 5915-01-331-4022
NSN 6620-00-761-6334
NSN 4140-01-476-1403