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 5905-01-508-5917
NSN 5950-00-881-9926
NSN 6135-00-917-1894
NSN 5990-01-400-3299
NSN 6645-00-518-2068
NSN 6145-00-172-6488
NSN 6110-01-618-9780
NSN 5925-01-504-2852
NSN 6110-00-324-8415
NSN 5998-01-290-6578
NSN 5925-00-758-4614
NSN 5895-01-425-5887