Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BS.2318.13.00.009 found under Adaptor Flange Plate by Iai North America Inc. The National Stock Number assigned to this part is 2590012770062, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BS.2318.13.00.009.