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 6645-00-927-8735
NSN 6320-00-004-9158
NSN 6685-00-484-2178
NSN 5910-01-113-6636
NSN 4140-01-318-0189
NSN 6685-00-853-8835
NSN 6650-01-529-6721
NSN 6145-01-578-2045
NSN 5855-01-400-1590
NSN 6135-01-544-8463
NSN 6320-00-336-5570
NSN 6220-00-751-9709