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 5990-01-277-2118
NSN 5835-00-518-4507
NSN 6645-01-076-9310
NSN 6110-00-876-1995
NSN 5999-00-872-1352
NSN 5965-01-313-6569
NSN 7035-01-514-8522
NSN 4140-01-522-7579
NSN 6320-01-630-7629
NSN 6105-01-311-9120
NSN 5925-00-597-1558
NSN 6645-01-440-5500