Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AY200S1B1 found under Autosyn by Honeywell International Inc. The National Stock Number assigned to this part is 5990011053954, 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 AY200S1B1.