Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 859-304 found under Relay Electromagnetic by Wartsila France Sas. The National Stock Number assigned to this part is 5945016139976, 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 859-304.