Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ZB4-BG2 found under Key Switch by Fincantieri Spa. The National Stock Number assigned to this part is 5930015483564, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ZB4-BG2.