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 6145-01-005-3260
NSN 6220-01-299-4392
NSN 5920-01-487-4195
NSN 5835-01-027-0597
NSN 5990-01-116-2181
NSN 5930-01-317-0287
NSN 6110-01-536-2470
NSN 2925-01-197-7864
NSN 6110-01-439-3123
NSN 5910-00-987-1596
NSN 5920-01-440-3458
NSN 6620-00-820-9616