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 6685-01-142-1969
NSN 6240-00-806-4554
NSN 5965-00-072-9942
NSN 4140-01-090-3866
NSN 6645-01-619-6301
NSN 6135-01-606-8244
NSN 5855-01-274-5311
NSN 5915-00-730-6761
NSN 6610-01-429-7267
NSN 5999-01-196-2050
NSN 5925-01-064-0117
NSN 5950-01-156-0409