Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R5AC4J1 found under Contactor Magnetic by Itt Corporation. The National Stock Number assigned to this part is 6110008371257, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R5AC4J1.