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 5915-00-834-3766
NSN 5998-00-394-7118
NSN 6650-01-421-5355
NSN 5905-00-296-8763
NSN 5930-01-327-4239
NSN 5998-01-502-9234
NSN 5975-01-157-9432
NSN 5998-01-032-4722
NSN 5925-00-973-1160
NSN 6220-01-310-8741
NSN 6240-01-574-2738
NSN 5895-00-338-4201