Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MMRB2A12 found under Relay Reed by General Instrument Corporation. The National Stock Number assigned to this part is 5945015483328, 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 MMRB2A12.