Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 277 0586 020 found under Electronic Module S by Rockwell Collins Inc. The National Stock Number assigned to this part is 5963013889546, 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 277 0586 020.