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 6610-01-374-0569
NSN 5975-01-137-1798
NSN 6150-00-855-4227
NSN 5915-00-314-0832
NSN 4140-01-618-6906
NSN 5910-01-305-7234
NSN 6110-01-010-4551
NSN 5945-01-653-4597
NSN 5855-00-133-5897
NSN 6685-00-690-8626
NSN 5998-01-537-0150
NSN 6110-00-539-9543