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 5910-01-035-7639
NSN 5990-00-797-2592
NSN 6620-00-736-8457
NSN 5996-01-154-6478
NSN 5920-01-110-7491
NSN 5945-01-481-7084
NSN 2925-00-603-9371
NSN 6610-01-013-8922
NSN 6610-01-039-7844
NSN 5855-01-535-7127
NSN 5950-01-343-5399
NSN 5855-01-455-1491