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 5985-01-634-0635
NSN 4140-01-304-7563
NSN 5960-01-094-7569
NSN 5965-01-332-9825
NSN 6620-00-860-9911
NSN 6645-01-496-0073
NSN 5975-01-408-3034
NSN 5985-01-423-8341
NSN 5945-00-421-3169
NSN 5855-01-573-8397
NSN 2925-00-896-3752
NSN 5855-00-451-6155