Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 495846 PT 275177 found under Diaphragm Actuator Valve Special by Curtis Straus Llc. The National Stock Number assigned to this part is 4820010779257, 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 495846 PT 275177.