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 5975-01-125-4411
NSN 5985-00-933-0068
NSN 2925-01-504-3058
NSN 5950-01-292-1130
NSN 5945-01-301-3780
NSN 5905-00-192-4504
NSN 4140-01-607-7441
NSN 2925-01-429-2235
NSN 5975-01-224-7209
NSN 6610-00-909-6218
NSN 5985-01-459-7886
NSN 6220-01-517-6539