Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 518 00000-4 28V found under Amplifier Electronic Control by Carl Zeiss Ag. The National Stock Number assigned to this part is 5996001093819, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 518 00000-4 28V.