Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS7495-167 found under Valve Expansion by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 4820006900452, 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 HS7495-167.