Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A57L0008 4 found under Mounting Pad Electr by Mcdonnell Douglas. The National Stock Number assigned to this part is 5999014461230, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A57L0008 4.