Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 72 100 72 A1 4018 found under Cabinet Electrical Equipment by A And J Manufacturing Company. The National Stock Number assigned to this part is 5975014435677, 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 72 100 72 A1 4018.