Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 39024243 found under Valve Butterfly by Klein Products Inc. The National Stock Number assigned to this part is 4820011869377, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 39024243.