Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20D-RES-1 found under Resolver Electrical by Rockwell Automation Ltd. The National Stock Number assigned to this part is 5990016468048, 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 20D-RES-1.