Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R20SZ-15KA1-8.0-15V found under Relay Electromagnet by Amf Inc Potter And Brumfield Div. The National Stock Number assigned to this part is 5945006420457, 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 R20SZ-15KA1-8.0-15V.