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 6620-01-578-1984
NSN 5925-01-453-7479
NSN 6145-01-555-8131
NSN 6110-00-136-9443
NSN 6620-00-735-2892
NSN 5920-00-054-7048
NSN 5835-01-121-6953
NSN 5935-01-429-7182
NSN 5998-01-059-0138
NSN 5975-00-087-4341
NSN 5905-00-252-4544
NSN 2925-01-094-4771