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 4140-01-406-5344
NSN 5925-00-678-3789
NSN 5945-00-413-5029
NSN 6240-00-178-9941
NSN 5998-01-116-4344
NSN 5930-00-776-7214
NSN 5855-01-325-9507
NSN 5905-01-421-4421
NSN 6220-01-044-0708
NSN 5930-01-528-8889
NSN 6145-01-296-2096
NSN 6240-01-245-2291