An auxiliary longitudinal member of the structural framework of a fuselage, nacelle, empennage, wing, and the like. It is designed to stiffen and/or support the skin by attachment of bulkheads, formers, frames, ribs, and the like.
Classification: Other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites)
NSN 6650-01-083-1969
NSN 6320-01-215-1133
NSN 6645-00-654-8804
NSN 6645-01-490-0325
NSN 6130-01-578-2234
NSN 2925-01-516-7940
NSN 5990-00-813-6884
NSN 5985-00-469-3078
NSN 5855-00-137-6548
NSN 5998-01-578-0448
NSN 6105-01-386-9362
NSN 5905-01-545-0585