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 6610-01-046-5669
NSN 5905-01-414-6970
NSN 5920-00-135-4930
NSN 5999-01-108-3418
NSN 5965-01-619-2542
NSN 6150-01-552-3904
NSN 7035-00-981-7216
NSN 6130-01-068-2156
NSN 6130-01-432-1327
NSN 5935-00-554-0244
NSN 4140-01-106-2559
NSN 5965-01-048-4767