Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 654890-1 found under Electronic Module Standardized by Raytheon Technical Services Company. The National Stock Number assigned to this part is 5963013966988, and the Federal Supply Class is 5963 Electronic Modules. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 654890-1.