Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R08-300-RNSA found under Valve Regulating Fl by Norgren C A Co. The National Stock Number assigned to this part is 4820006145962, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R08-300-RNSA.