Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PTN78020WAH found under Chopper Electronic by Texas Instruments Incorporated. The National Stock Number assigned to this part is 5945016538990, 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 PTN78020WAH.