Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4F15L-11F5-6 found under Valve Butterfly by Tyco Inc. The National Stock Number assigned to this part is 4810014514471, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4F15L-11F5-6.