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 6620-01-376-3744
NSN 7035-01-434-1986
NSN 5855-01-133-3587
NSN 5990-00-288-1820
NSN 6150-01-040-0335
NSN 6645-01-065-7036
NSN 6135-01-593-9256
NSN 5905-01-554-4713
NSN 6150-01-086-1511
NSN 5999-01-452-3375
NSN 5910-00-375-1583
NSN 5960-01-533-5162