Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RB9712B found under by Remington Arms Company Inc. The National Stock Number assigned to this part is 5855014665221, and the Federal Supply Class is 5855 Night Vision Equipment Emitted And Reflected Radiation. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RB9712B.