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 4140-00-189-0235
NSN 4140-01-202-7853
NSN 5935-01-199-5105
NSN 6650-01-066-0420
NSN 6135-01-154-3526
NSN 5965-00-060-0090
NSN 6650-01-399-0628
NSN 6620-00-495-7438
NSN 5895-00-988-4416
NSN 5975-00-111-6781
NSN 5999-00-825-9657
NSN 5835-00-477-3162