Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3140-0018 found under Synchro Receiver by Hewlett Packard Co. The National Stock Number assigned to this part is 5990008930957, 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 3140-0018.