Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 542 20 23-67 found under Tube Structural by Priority Plant Services Ltd. The National Stock Number assigned to this part is 4710016301387, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 542 20 23-67.