Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KBC 2146 found under Relay Solid State by C And D Batteries. The National Stock Number assigned to this part is 5945011527332, 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 KBC 2146.