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 4140-01-460-5517
NSN 6135-01-031-3032
NSN 5915-01-506-1886
NSN 6220-01-211-0942
NSN 5965-00-689-1545
NSN 2925-01-548-6674
NSN 5930-01-501-6211
NSN 5920-01-421-0291
NSN 7035-00-679-9027
NSN 6220-00-776-2614
NSN 6650-01-325-2597
NSN 6610-01-250-2811