Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4E6314BW found under Valve Butterfly by Worcester Controls Corp. The National Stock Number assigned to this part is 4810010033269, 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 4E6314BW.