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 6145-01-104-6029
NSN 5960-01-219-5504
NSN 5950-01-480-0507
NSN 5998-01-651-6167
NSN 5915-01-552-8370
NSN 5990-00-232-3965
NSN 5935-01-420-6968
NSN 5996-01-282-9635
NSN 6650-00-710-0076
NSN 6685-01-376-2291
NSN 5985-00-797-3985
NSN 6135-01-236-8603