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 5950-00-730-1786
NSN 6110-01-453-7473
NSN 5835-01-331-5735
NSN 2925-00-898-9135
NSN 2925-01-058-1718
NSN 5915-01-049-5027
NSN 5990-01-474-3477
NSN 2925-00-951-0150
NSN 5935-01-258-8857
NSN 6620-01-359-3920
NSN 5990-01-093-8328
NSN 5996-00-424-8883