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.
NSN 6620-00-495-7438
NSN 5945-01-634-0588
NSN 5930-00-470-2406
NSN 5998-01-657-8426
NSN 7035-01-284-5043
NSN 5960-01-354-0762
NSN 4140-00-938-8664
NSN 5999-01-605-6310
NSN 4140-01-649-6381
NSN 6105-01-172-9949
NSN 5965-00-985-9157
NSN 6130-00-821-3500