Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17N6P0639-596 found under Flap Wing Landing by Boeing Company The. The National Stock Number assigned to this part is 1560015840870, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 17N6P0639-596.