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 6240-00-334-6766
NSN 5996-00-210-8409
NSN 5925-00-035-8469
NSN 6150-01-303-7093
NSN 5998-00-421-2799
NSN 6135-00-660-8654
NSN 6610-01-435-8982
NSN 4140-01-293-0587
NSN 5835-01-514-5758
NSN 6135-01-627-2603
NSN 6320-01-313-2709
NSN 6240-01-288-0555