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 5855-01-436-1326
NSN 5960-00-296-9479
NSN 6240-01-457-0926
NSN 6685-01-623-3678
NSN 6105-01-465-0193
NSN 5950-01-290-5208
NSN 5996-01-415-4629
NSN 5905-01-292-2118
NSN 4140-01-580-8573
NSN 5990-00-543-2755
NSN 5950-01-483-6849
NSN 2925-01-142-0981