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 4140-01-535-6477
NSN 5996-01-290-9886
NSN 7035-01-485-0269
NSN 5950-01-171-1899
NSN 6650-00-431-7525
NSN 6650-01-207-2905
NSN 5975-01-232-0100
NSN 5925-00-823-6138
NSN 6645-01-252-9659
NSN 6145-00-145-3484
NSN 6150-01-461-8463
NSN 5920-01-577-0619