Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AAU24A found under Altimeter Pressure by Aeronautical And Aeronautical. The National Stock Number assigned to this part is 6610001506897, and the Federal Supply Class is 6610 Flight Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AAU24A.