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 5910-01-144-0353
NSN 5945-01-492-7637
NSN 5960-00-489-8804
NSN 6620-00-955-6122
NSN 2925-01-264-5256
NSN 5965-00-244-6055
NSN 6130-01-650-8514
NSN 5945-01-221-6456
NSN 4140-01-252-2534
NSN 2925-00-127-7828
NSN 6135-01-580-5726
NSN 6130-01-411-7735