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 5910-01-449-1359
NSN 5975-01-138-1738
NSN 5945-01-468-3227
NSN 6130-00-240-2438
NSN 5905-01-203-6017
NSN 5895-00-004-5392
NSN 5975-01-460-7887
NSN 7035-00-830-1235
NSN 5975-01-027-2630
NSN 5985-01-519-3784
NSN 5920-01-023-6818
NSN 5835-00-113-6090