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 6650-01-274-8586
NSN 7035-01-063-0453
NSN 6135-00-767-0331
NSN 6150-00-399-0708
NSN 5950-01-467-2426
NSN 5910-01-170-5989
NSN 5930-00-737-0661
NSN 6685-00-186-9190
NSN 5835-01-478-0157
NSN 5985-01-548-9491
NSN 5915-01-412-8667
NSN 5999-01-100-0464