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 5905-01-072-0026
NSN 6220-00-397-6320
NSN 6650-01-409-1992
NSN 6620-01-441-0240
NSN 5835-01-067-9271
NSN 5996-01-526-6062
NSN 6650-00-792-8577
NSN 4140-01-445-6656
NSN 5990-01-219-2703
NSN 5960-01-130-6413
NSN 5915-01-393-2708
NSN 5920-00-199-9514