Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1R15N4-319 found under Resolver Electrical by Ducommun Technologies Inc. The National Stock Number assigned to this part is 5990006552378, 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 1R15N4-319.