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 6320-01-489-6044
NSN 5960-01-462-1864
NSN 5999-00-803-8784
NSN 6135-01-480-8121
NSN 5950-01-401-5321
NSN 6645-00-019-0554
NSN 5855-00-688-9954
NSN 2925-00-343-3235
NSN 2925-01-535-7235
NSN 5935-00-679-1559
NSN 5835-01-036-4951
NSN 4140-00-051-3296