Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 59399-1 found under Leading Edge Stabil by C E I Inc. The National Stock Number assigned to this part is 1560001273466, 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 59399-1.