Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3701-50B19 found under Chopper Electronic by Edo Corporation. The National Stock Number assigned to this part is 5945005525278, 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 3701-50B19.