Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HC6169SPCN224 found under Piston Valve by U S M Corp. The National Stock Number assigned to this part is 4820000362654, 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 HC6169SPCN224.