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 6130-01-171-1065
NSN 6240-00-409-5833
NSN 5935-01-165-5827
NSN 6145-01-507-4826
NSN 5960-00-543-1956
NSN 6130-01-388-2092
NSN 5990-01-478-8638
NSN 6145-01-137-4473
NSN 6105-00-104-6853
NSN 5950-01-572-9354
NSN 5990-01-408-6554
NSN 5915-00-518-1644