Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MAS 0604030 found under Cabinet Electrical Equipment by Eldon Industries Inc. The National Stock Number assigned to this part is 5975015595622, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MAS 0604030.