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 5990-00-890-3822
NSN 5996-00-827-2094
NSN 6685-00-868-8485
NSN 6130-01-063-9043
NSN 6130-01-414-0651
NSN 5965-01-146-6762
NSN 5990-00-650-9008
NSN 6650-01-094-6505
NSN 6110-01-259-5961
NSN 5950-01-206-4800
NSN 6240-01-222-8906
NSN 5999-01-081-5241