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 5999-01-617-5383
NSN 5905-00-679-2343
NSN 5915-00-711-1820
NSN 5915-01-555-8852
NSN 6150-01-027-1126
NSN 5945-01-483-2599
NSN 5945-01-188-2411
NSN 5945-00-554-9351
NSN 6320-01-414-9801
NSN 5935-01-274-4162
NSN 6240-01-500-0850
NSN 7035-01-433-3547