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 6610-00-862-1567
NSN 6620-00-877-3266
NSN 5950-00-244-0938
NSN 6685-01-215-0616
NSN 5999-00-185-3820
NSN 6240-01-068-3491
NSN 2925-01-364-7926
NSN 5915-01-012-2964
NSN 4140-01-096-5722
NSN 5965-01-136-5401
NSN 6650-01-202-8014
NSN 5999-00-773-6617