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 5930-01-479-4808
NSN 6150-01-181-4530
NSN 5950-00-498-2068
NSN 5975-01-326-1048
NSN 6110-00-626-8522
NSN 6145-01-128-1156
NSN 5905-01-079-1928
NSN 6150-01-421-6593
NSN 5930-00-038-3432
NSN 5998-00-618-0235
NSN 6145-01-227-5743
NSN 5960-00-889-5470