Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E284491-2 found under Cover Aft Port by British Aerospace Inc. The National Stock Number assigned to this part is 1560001521167, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E284491-2.