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 6135-00-973-5632
NSN 5960-01-418-2641
NSN 5930-01-400-6126
NSN 5999-00-972-7321
NSN 6220-01-531-0836
NSN 6240-01-435-6505
NSN 5999-00-101-2284
NSN 5945-00-850-6533
NSN 5935-00-682-0501
NSN 6320-00-937-5625
NSN 6620-01-244-3425
NSN 5920-00-891-2771