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 6620-00-197-5130
NSN 5905-01-177-6327
NSN 5915-01-655-7824
NSN 6145-01-201-9059
NSN 5925-01-140-9018
NSN 5945-01-482-8095
NSN 6220-00-403-4813
NSN 6150-01-495-0315
NSN 6610-01-512-2025
NSN 5935-00-148-9730
NSN 5920-01-144-9826
NSN 5905-01-171-8648