Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4070090001 found under Plate Mounting Synchro by Aar Brooks And Perkins Corp. The National Stock Number assigned to this part is 5990000078166, 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 4070090001.