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 6110-01-085-5172
NSN 6110-01-461-3612
NSN 5960-01-200-4621
NSN 2925-01-359-4027
NSN 5855-00-361-0167
NSN 6650-01-013-9334
NSN 6105-01-159-8826
NSN 6150-00-632-0126
NSN 5855-01-619-4411
NSN 4140-00-820-1173
NSN 6320-01-631-7828
NSN 5985-01-634-0635