Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A66-22950-1 found under Axle Lubrication Fi by Messier Bugatti Dowty. The National Stock Number assigned to this part is 5315143732963, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A66-22950-1.