An item designed as a principal member of various primary structures within an aircraft. It provides strength, rigidity and the like while maintaining the proper dimensional distances as required. It may include holes for mounting and/or joining to other items to form an assembly.
Classification: Other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites)
NSN 5905-01-382-9671
NSN 5998-01-414-7244
NSN 5999-01-537-1665
NSN 5985-01-556-1123
NSN 6650-01-271-7351
NSN 6610-01-027-8736
NSN 5975-00-364-6919
NSN 6685-01-460-7032
NSN 6320-00-925-0558
NSN 5990-01-198-7953
NSN 5996-01-394-3378
NSN 6150-01-447-5741