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 6320-01-339-9974
NSN 6150-01-319-9503
NSN 6645-00-081-4298
NSN 6110-01-286-4856
NSN 6610-01-255-4544
NSN 5990-01-462-1617
NSN 5998-00-213-6001
NSN 5998-01-454-3886
NSN 5990-00-033-0807
NSN 5990-00-306-0222
NSN 5920-01-300-6055
NSN 6110-00-918-0869