Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 180001-11-0003 found under Valve Linear Directional Control by Mac Valves Inc. The National Stock Number assigned to this part is 4820010774259, 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 180001-11-0003.