Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 64C33518-11 found under Tube Metallic by San Antonio Air Logistics Center. The National Stock Number assigned to this part is 4710004711104, 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 64C33518-11.