A structural shape fabricated from a ferrous or nonferrous material and has a flange extending usually at right angles in the same direction from each edge of a web and/or resembling the letter u in cross-sectional form.
Classification: Other unwrought aluminum alloys, nesoi
NSN 4140-01-512-0744
NSN 5975-00-975-4665
NSN 6650-01-189-0975
NSN 5915-00-933-5658
NSN 5975-00-373-3882
NSN 5960-01-619-9361
NSN 6105-01-250-5139
NSN 6145-00-286-9588
NSN 5999-00-198-3959
NSN 5975-00-103-6653
NSN 5910-00-518-1477
NSN 6685-01-467-3035