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 5905-01-276-5570
NSN 4140-01-222-2140
NSN 6105-01-180-7066
NSN 5945-01-618-8911
NSN 6650-01-354-3363
NSN 6150-01-277-6712
NSN 5925-01-330-2362
NSN 5998-01-478-6731
NSN 4140-01-025-4911
NSN 5835-00-289-9080
NSN 5945-00-191-5137
NSN 5999-00-057-9976