Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A51-3422B found under Relay Electromagnet by New Haven Mfg Corp. The National Stock Number assigned to this part is 5945008458752, 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 A51-3422B.