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 6130-00-532-6861
NSN 6650-01-319-3923
NSN 6110-00-437-7877
NSN 6320-00-389-4756
NSN 5945-00-691-5733
NSN 6610-01-516-7278
NSN 5999-01-141-6859
NSN 6145-00-126-1606
NSN 6150-01-552-1319
NSN 5990-01-272-4091
NSN 5930-01-047-6109
NSN 6610-00-565-9758