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 6240-00-319-0452
NSN 5905-00-246-4639
NSN 5998-01-412-5183
NSN 5855-01-492-9795
NSN 6620-01-345-9488
NSN 5910-01-600-8747
NSN 6110-00-372-4780
NSN 5999-01-079-8862
NSN 6620-01-160-0439
NSN 5996-00-023-4074
NSN 6220-00-081-6429
NSN 5990-01-472-2447