Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0418C08-0463-03 found under Cap Protective Dust by The Entwistle Company. The National Stock Number assigned to this part is 5340016479531, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0418C08-0463-03.