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 5905-00-970-8792
NSN 5999-00-300-0264
NSN 5855-01-447-9165
NSN 5996-00-826-8837
NSN 6645-01-215-7247
NSN 7035-01-485-2134
NSN 6685-01-398-1097
NSN 5990-00-681-1675
NSN 5985-01-195-0670
NSN 6150-01-392-7346
NSN 6620-01-449-8743
NSN 5935-01-178-0972