Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S3D10035-01 found under Inlet Port Valve by Vacco Industries. The National Stock Number assigned to this part is 4820011435258, 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 S3D10035-01.