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 4140-00-213-9937
NSN 6145-01-129-6001
NSN 6220-01-083-6936
NSN 6240-01-433-8639
NSN 6650-00-164-7480
NSN 5960-01-128-9359
NSN 6105-01-155-1589
NSN 5996-01-455-2198
NSN 5985-01-366-4276
NSN 5925-01-447-8761
NSN 5910-01-503-2822
NSN 5960-01-276-7836