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 5925-00-257-7072
NSN 5905-01-336-0456
NSN 5855-01-235-5491
NSN 5985-01-551-3618
NSN 4140-00-597-5260
NSN 6145-00-181-9622
NSN 5998-01-227-8859
NSN 6145-01-467-1797
NSN 5998-00-405-7029
NSN 5985-01-434-5091
NSN 5999-01-152-2313
NSN 5935-00-491-2991