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 6610-00-781-2588
NSN 5855-01-445-6551
NSN 5930-01-318-0643
NSN 6320-00-360-1744
NSN 5975-00-066-8071
NSN 6240-01-548-2197
NSN 6130-01-337-3521
NSN 6135-01-386-1452
NSN 5985-00-952-6626
NSN 5895-01-539-4908
NSN 5835-01-497-5029
NSN 6320-00-857-4073