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 6135-00-050-0916
NSN 6240-00-255-6976
NSN 2925-01-156-9570
NSN 5855-01-125-4768
NSN 5855-01-519-2486
NSN 5930-01-278-4175
NSN 6150-00-532-7099
NSN 5998-01-098-8380
NSN 4140-01-036-7178
NSN 6110-01-321-2727
NSN 5905-01-516-8932
NSN 5855-01-608-4351