Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A10 23663M5 9A found under Landing Gear Retrac by Messier Bugatti Dowty. The National Stock Number assigned to this part is 1620143806401, and the Federal Supply Class is 1620 Aircraft Landing Gear Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A10 23663M5 9A.