Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 861-202-66 found under Relay Reed by Ametek Programmable Power Inc. The National Stock Number assigned to this part is 5945006036958, 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 861-202-66.