Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F539-7 found under Lever Manual Control by Fontaine Truck Equipment Co. The National Stock Number assigned to this part is 3040003530642, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F539-7.