Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 01066 004 found under Disk Valve by Hexco International. The National Stock Number assigned to this part is 4810014346962, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 01066 004.