A principal longitudinal member of the structural framework of an aircraft fuselage, nacelle, empennage boom, or similar component.
Classification: Other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites)
NSN 5910-00-502-7031
NSN 5925-01-363-5253
NSN 5895-01-062-8803
NSN 6620-00-102-7442
NSN 5999-00-295-6285
NSN 6645-01-195-6207
NSN 6150-01-435-6554
NSN 6645-00-557-0322
NSN 6135-00-686-4777
NSN 6110-01-322-6428
NSN 6110-00-118-6174
NSN 5960-01-361-6543