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 5920-01-442-6756
NSN 5935-01-074-3386
NSN 4140-00-816-8820
NSN 5855-00-995-2098
NSN 5835-01-624-5666
NSN 5905-01-497-4591
NSN 5905-01-444-3545
NSN 5930-00-433-1354
NSN 5905-01-056-3351
NSN 5999-01-483-8696
NSN 6620-01-147-5615
NSN 6150-01-160-9327