Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 64000562-3 found under Relay Solid State by I S S Div Of Sperry Univac. The National Stock Number assigned to this part is 5945001538871, 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 64000562-3.