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 6150-00-353-7392
NSN 6320-01-618-7800
NSN 6150-01-266-5163
NSN 5910-00-501-9387
NSN 6610-01-074-8158
NSN 6240-00-899-6990
NSN 6645-00-998-0343
NSN 6110-01-550-8396
NSN 6610-01-504-7622
NSN 5905-00-864-9785
NSN 5999-00-867-5593
NSN 6135-01-316-9794