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 5950-00-580-6170
NSN 5925-01-435-4849
NSN 5935-00-819-1420
NSN 6145-01-078-5217
NSN 5998-00-141-9190
NSN 5915-00-442-5168
NSN 5910-01-414-5928
NSN 6105-01-411-5692
NSN 5960-00-647-9159
NSN 5925-00-702-1924
NSN 5950-01-237-7401
NSN 6610-01-544-6551