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 5990-01-040-6358
NSN 5925-01-400-3002
NSN 5910-00-018-2100
NSN 5910-00-727-2555
NSN 5975-00-320-3150
NSN 6320-01-227-2648
NSN 6650-00-318-6033
NSN 5960-01-359-4257
NSN 6240-00-407-1024
NSN 5965-00-021-2540
NSN 6645-01-423-4617
NSN 6105-00-225-3289