Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS20708 9 found under Synchro Differential Transmitter by Society Of Automotive Engineers Inc. The National Stock Number assigned to this part is 5990002294647, 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 AS20708 9.