Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5060-554 found under by Raytheon Company. The National Stock Number assigned to this part is 5815004657350, and the Federal Supply Class is 5815 Teletype And Facsimile Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5060-554.