Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MCD4122ITEM8 found under Strapping by Quartermaster General. The National Stock Number assigned to this part is 5340002459440, 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 MCD4122ITEM8.