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 6610-01-628-6044
NSN 5835-01-658-4437
NSN 4140-00-211-5970
NSN 4140-01-217-1511
NSN 5920-00-238-3116
NSN 6130-00-119-1528
NSN 2925-01-642-3255
NSN 5920-01-365-5151
NSN 5855-00-165-3093
NSN 5950-01-351-8227
NSN 6220-01-451-1577
NSN 5925-01-311-1285