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 5985-01-010-4081
NSN 6150-01-418-8333
NSN 4140-01-573-1803
NSN 6320-01-476-7702
NSN 5905-00-175-6979
NSN 5999-01-562-8757
NSN 5915-01-247-9970
NSN 5998-00-695-4920
NSN 5965-01-455-7747
NSN 6145-01-373-2684
NSN 6610-01-541-5034
NSN 5930-00-145-9780