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 5975-01-473-4503
NSN 5975-00-800-8863
NSN 6620-00-782-0337
NSN 5975-01-229-4503
NSN 5925-01-431-3138
NSN 5920-01-550-9003
NSN 5950-01-571-1699
NSN 6145-01-302-9276
NSN 6685-01-143-2704
NSN 6150-01-209-4411
NSN 5998-00-172-8466
NSN 5999-01-634-0576