Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4030A1000 found under Capacitor Assembly by L 3 Communications Westwood. The National Stock Number assigned to this part is 5910016906728, 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 4030A1000.