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 5905-01-543-8879
NSN 5910-01-108-1145
NSN 6240-01-582-8354
NSN 5915-01-398-4176
NSN 6105-01-592-5786
NSN 5935-01-139-4403
NSN 5905-01-411-7647
NSN 7035-00-347-5537
NSN 5920-01-010-3293
NSN 6130-01-315-9317
NSN 6150-01-038-9364
NSN 5999-00-181-6101