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 5910-01-645-2264
NSN 5915-01-042-0568
NSN 6240-01-480-8996
NSN 5998-00-901-3003
NSN 5930-00-597-5064
NSN 5985-00-811-9381
NSN 6240-00-870-7778
NSN 5990-00-781-6762
NSN 5915-00-186-9346
NSN 5965-01-041-6599
NSN 6130-00-781-4245
NSN 2925-00-604-7487