Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AY502B25A1 found under Synchro Control Tra by Honeywell International Inc. The National Stock Number assigned to this part is 5990008661681, 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 AY502B25A1.