Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EB-4005-2 found under Distillation Unit D by Electric Boat Corporation. The National Stock Number assigned to this part is 4620015004827, and the Federal Supply Class is 4620 Water Distillation Equipment Marine And Industrial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EB-4005-2.