Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 625-1559-001 found under Device Ground Rotor by Marvel Oil Co Inc. The National Stock Number assigned to this part is 5990012701015, and the Federal Supply Class is 5990 Synchros And Resolvers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 625-1559-001.