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 5855-01-529-1977
NSN 5935-00-810-9337
NSN 5990-00-359-9839
NSN 5945-00-924-9595
NSN 6110-00-051-4427
NSN 4140-01-186-3977
NSN 6150-00-432-9241
NSN 5985-01-166-1037
NSN 6145-01-483-5262
NSN 6145-00-240-4043
NSN 5920-01-155-7685
NSN 6130-01-004-8977