Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R10 E1 W2 J2 5K found under Relay Electromagnetic by Tyco Electronics Corporation. The National Stock Number assigned to this part is 5945016681649, 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 R10 E1 W2 J2 5K.