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 6135-01-415-1163
NSN 4140-01-617-0040
NSN 5925-00-453-9929
NSN 4140-01-209-1980
NSN 6650-00-419-4154
NSN 5998-01-528-9845
NSN 6110-00-245-6005
NSN 6150-01-017-2719
NSN 5985-01-042-5729
NSN 6610-01-545-4080
NSN 5935-01-386-3613
NSN 6610-00-314-2605