Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N872 3-8IN found under Valve Regulating Fl by Grove Valve Operations. The National Stock Number assigned to this part is 4820007649318, 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 N872 3-8IN.