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 5985-01-452-9399
NSN 5999-01-418-1751
NSN 6620-01-369-3589
NSN 6105-01-323-6572
NSN 6320-01-611-4918
NSN 4140-00-711-8354
NSN 5990-01-147-5225
NSN 5915-01-099-1018
NSN 5935-01-194-6464
NSN 5855-00-256-5562
NSN 6620-00-488-0626
NSN 5998-01-307-1605