Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5202175 found under Piston Valve by Gali Internacional Sa. The National Stock Number assigned to this part is 4820332058057, 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 5202175.