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 5855-00-408-2611
NSN 6645-01-451-1295
NSN 6685-01-014-7235
NSN 5965-00-194-9875
NSN 7035-01-646-3581
NSN 5905-01-269-1094
NSN 6145-01-493-8923
NSN 5999-01-215-1236
NSN 5996-01-153-9543
NSN 6645-01-134-2976
NSN 5930-01-596-5806
NSN 6220-01-385-2049