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 4140-00-295-0787
NSN 5960-01-114-7377
NSN 5960-01-399-4327
NSN 5895-01-462-4503
NSN 6220-01-218-9214
NSN 5855-01-588-7940
NSN 6685-01-097-9062
NSN 6240-01-412-3286
NSN 6220-01-634-0660
NSN 6135-00-896-3187
NSN 6220-00-972-7933
NSN 5935-00-176-2581