Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FOX 500 RX MM found under Receiver Light Signal by Rgb Systemsinc. The National Stock Number assigned to this part is 6030015830703, and the Federal Supply Class is 6030 Fiber Optic Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FOX 500 RX MM.