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 6145-00-419-0550
NSN 6145-01-459-8150
NSN 5915-01-418-1843
NSN 5835-01-442-6482
NSN 6220-01-257-1075
NSN 5998-01-318-0311
NSN 6105-00-643-4975
NSN 5990-01-180-7365
NSN 6150-01-328-3702
NSN 5925-01-160-1737
NSN 6105-01-214-1229
NSN 5950-00-127-3916