Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QB87441-1 found under Relay Electromagnet by Honeywell Intl Inc. The National Stock Number assigned to this part is 5945005567940, 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 QB87441-1.