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 4140-01-439-3329
NSN 6135-00-708-0892
NSN 6650-00-224-3223
NSN 5935-00-017-4795
NSN 5999-00-707-9580
NSN 5975-01-657-3822
NSN 5930-01-145-6207
NSN 5996-00-480-9238
NSN 6645-01-387-0168
NSN 5998-01-222-3974
NSN 6240-01-338-6045
NSN 5999-01-092-0836