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 6130-01-398-8578
NSN 6150-01-495-0891
NSN 6320-00-343-1798
NSN 6685-00-863-6350
NSN 5985-01-421-2527
NSN 5950-01-464-4158
NSN 6645-00-113-4441
NSN 5950-00-776-6228
NSN 6145-00-248-8965
NSN 4140-01-552-7797
NSN 4140-01-080-5114
NSN 6145-01-435-0522