Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R51-1D40-24F found under Relay Solid State by Nte Electronics Inc. The National Stock Number assigned to this part is 5945015873398, 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 R51-1D40-24F.