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 4140-00-007-4578
NSN 6220-00-581-3858
NSN 6105-01-573-7330
NSN 5925-00-650-1069
NSN 5935-00-527-8657
NSN 5960-00-831-8683
NSN 6620-01-583-1058
NSN 5975-00-952-1791
NSN 6610-01-423-9219
NSN 6685-00-549-6438
NSN 6105-00-165-1619
NSN 2925-01-560-4123