Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40291-40002-10 found under Simulator Radar Tes by Aai Corporation. The National Stock Number assigned to this part is 6940015245640, 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 40291-40002-10.