Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HX-2300B-22-459 found under Cover Plate Assembl by Dc Fabricators Inc. The National Stock Number assigned to this part is 4470014704247, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HX-2300B-22-459.