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 6110-01-515-3187
NSN 5835-01-659-9851
NSN 5855-01-511-0995
NSN 5975-01-353-3194
NSN 6645-00-234-7223
NSN 7035-01-548-6882
NSN 6645-01-082-4866
NSN 6130-01-454-0278
NSN 6135-00-416-2898
NSN 6610-01-307-0911
NSN 5915-01-235-5109
NSN 6240-00-099-8606