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 6650-00-266-6808
NSN 5990-01-189-9338
NSN 6110-01-621-4279
NSN 6110-00-890-0777
NSN 6145-01-411-7957
NSN 5895-00-723-7258
NSN 6320-00-937-5625
NSN 6105-01-167-7944
NSN 5985-00-764-2555
NSN 5990-01-517-7848
NSN 6610-01-027-0087
NSN 6110-01-142-2550