Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B208889-1 found under Bottom Cover Assy by Ridge Associates Inc. The National Stock Number assigned to this part is 5999012570203, 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 B208889-1.