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 5915-00-166-0764
NSN 6685-00-477-2892
NSN 4140-01-444-0543
NSN 5999-01-525-6949
NSN 6650-01-399-8552
NSN 6220-01-521-2383
NSN 6220-01-590-0137
NSN 6135-00-080-9176
NSN 6110-01-556-7927
NSN 6150-00-799-4528
NSN 4140-01-441-2800
NSN 6145-01-190-8971