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 5895-01-437-8060
NSN 5925-01-471-1761
NSN 5990-01-382-3244
NSN 6130-01-383-7053
NSN 5999-00-038-7756
NSN 6220-00-586-3044
NSN 6620-01-641-8741
NSN 5915-00-284-8744
NSN 5855-01-525-1994
NSN 6610-00-641-3015
NSN 6105-01-632-8902
NSN 6650-00-056-1581