Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B1A12-480A1A found under Relay Reed by Electronic Applications Co. The National Stock Number assigned to this part is 5945012809153, and the Federal Supply Class is 5945 Relays And Solenoids. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B1A12-480A1A.