Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAF447610 40 found under Valve Globe by Naf Ab. The National Stock Number assigned to this part is 4820014415001, 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 NAF447610 40.