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 5985-01-165-2741
NSN 4140-01-634-0330
NSN 6135-01-151-2705
NSN 5960-00-836-3058
NSN 6650-00-144-4555
NSN 6135-01-226-4071
NSN 6645-00-627-1501
NSN 5950-01-414-8507
NSN 5935-01-198-1906
NSN 2925-01-133-8128
NSN 6650-01-466-0887
NSN 7035-00-235-3529