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 6685-01-138-4171
NSN 6150-00-810-9605
NSN 6650-00-116-7439
NSN 6645-01-190-0085
NSN 5835-00-253-3453
NSN 6135-00-377-9165
NSN 5950-01-137-0792
NSN 6150-01-400-1297
NSN 5905-01-076-4702
NSN 5910-00-675-4503
NSN 6320-01-470-6826
NSN 5965-01-474-8265