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 5835-01-406-9638
NSN 5990-01-094-6826
NSN 5895-01-400-1564
NSN 5945-01-072-7114
NSN 6130-01-250-2822
NSN 6685-00-225-9816
NSN 6150-00-394-4934
NSN 6220-00-755-7546
NSN 5950-01-605-1386
NSN 5985-00-339-2318
NSN 6145-00-974-6343
NSN 5975-00-473-5595