Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 53-45409-3 found under Nut Axle Nose Landing Gear by Monogram Aerospace Fasteners Inc. The National Stock Number assigned to this part is 1620000651082, 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 53-45409-3.