Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QWA3-165 found under Valve Regulating Fl by Vickers Ltd. The National Stock Number assigned to this part is 4820001410150, 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 QWA3-165.