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 5935-00-519-0281
NSN 5950-01-317-7726
NSN 7035-00-445-9657
NSN 2925-00-485-0543
NSN 5975-01-079-4088
NSN 5935-00-990-7214
NSN 4140-01-216-7107
NSN 6110-01-106-2708
NSN 5975-01-287-2647
NSN 6650-01-175-0841
NSN 5996-01-411-1865
NSN 6620-01-590-7035