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 5960-01-251-5995
NSN 5999-01-386-3179
NSN 6610-01-587-1206
NSN 5835-00-725-2087
NSN 2925-01-141-7563
NSN 5975-01-585-3829
NSN 7035-00-238-3662
NSN 5835-00-583-1316
NSN 4140-01-528-1374
NSN 7035-01-649-8977
NSN 5999-01-408-3820
NSN 5905-00-612-0010