Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QUA175CITP506X59 found under Valve Flow Control by Vickers Ltd. The National Stock Number assigned to this part is 4820002566533, 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 QUA175CITP506X59.