Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 506-4478697 PIECE 45 found under Key Machine by Supervisor Of Shipbuilding. The National Stock Number assigned to this part is 5315013169028, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 506-4478697 PIECE 45.