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 5996-01-648-3810
NSN 5915-00-254-3436
NSN 6130-01-429-5633
NSN 5960-01-462-1864
NSN 6650-01-135-5625
NSN 4140-01-184-3488
NSN 6105-01-444-3849
NSN 5990-01-386-5561
NSN 5996-00-044-3254
NSN 6135-00-938-1351
NSN 5975-01-171-7111
NSN 7035-00-803-3056