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 6650-00-269-5000
NSN 5965-01-349-9029
NSN 5920-01-293-4130
NSN 5996-01-441-7910
NSN 5920-01-113-8048
NSN 5960-00-460-9901
NSN 6145-01-484-8735
NSN 5999-00-513-3688
NSN 5915-01-274-5485
NSN 4140-00-219-3146
NSN 5920-00-226-0227
NSN 6650-00-379-5434