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 5990-01-226-6924
NSN 6110-00-626-8522
NSN 6645-01-419-1738
NSN 6145-01-228-4851
NSN 6320-01-266-1612
NSN 6620-00-232-2048
NSN 6610-01-605-2451
NSN 6650-01-049-5361
NSN 5925-01-058-1265
NSN 5950-01-567-2058
NSN 5996-01-145-4900
NSN 5895-01-627-4269