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 5975-00-018-0815
NSN 6645-01-231-9891
NSN 4140-00-409-6785
NSN 6650-00-629-2792
NSN 6135-01-400-2947
NSN 5975-01-140-0420
NSN 5835-00-632-8621
NSN 5925-01-032-3461
NSN 6610-01-255-4544
NSN 6685-00-484-2167
NSN 2925-01-204-6243
NSN 5945-00-994-0540