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 5855-00-832-9341
NSN 5975-01-163-8806
NSN 6105-01-027-3759
NSN 6645-01-089-6459
NSN 5950-01-514-0359
NSN 6650-00-590-9073
NSN 5835-01-136-3394
NSN 6105-01-162-8775
NSN 6150-01-357-6791
NSN 5998-00-676-1270
NSN 5835-01-118-4690
NSN 4140-00-959-4255