Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D63-2002-535 found under Spring by Landers Frary And Clark. The National Stock Number assigned to this part is 5360007128429, and the Federal Supply Class is 5360 Coil Flat Leaf And Wire Springs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D63-2002-535.