Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 518-000A2-5-9 found under Capacitor Variable Ceramic Diele by C Mac Microcircuits Ltd. The National Stock Number assigned to this part is 5910000139658, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 518-000A2-5-9.