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 5930-00-579-9470
NSN 6135-01-008-4595
NSN 5925-01-659-2743
NSN 5965-00-144-2543
NSN 4140-00-785-1962
NSN 6130-00-193-2421
NSN 5855-01-414-6265
NSN 5935-01-501-4942
NSN 5905-01-206-3839
NSN 6320-01-511-1526
NSN 5855-00-288-1408
NSN 6610-01-199-0499