Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17-0073 found under Valve Solenoid by Hill Shaw Co. The National Stock Number assigned to this part is 4810011891706, 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 17-0073.