Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CNI-Q4232-366Y found under Quad Ring Valve Operator by Timken Gears And Services Inc. The National Stock Number assigned to this part is 4820011370388, 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 CNI-Q4232-366Y.