Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MDL 1307 found under Computer Grid Case by Grid Systems Corp. The National Stock Number assigned to this part is 7021012938017, and the Federal Supply Class is 7021 Adp Central Processing Unit Cpu Computer Digital. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MDL 1307.