Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HN61KB501 found under Relay by Carrier Corporation. The National Stock Number assigned to this part is 5945011341485, 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 HN61KB501.