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 6110-01-343-6742
NSN 5965-01-470-0393
NSN 5925-01-435-4409
NSN 5990-00-506-8315
NSN 6150-00-189-0292
NSN 6145-01-047-4345
NSN 5990-01-411-5930
NSN 5915-01-371-2906
NSN 6130-00-397-7690
NSN 5935-01-049-0056
NSN 6220-01-304-4921
NSN 5910-01-484-2107