Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40518 02 found under Fuel Cell Assy by Piper Aircraft Inc. The National Stock Number assigned to this part is 6116012484333, and the Federal Supply Class is 6116 Fuel Cell Power Units Components And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40518 02.