Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NTK202 found under Seatvalve by Cooper Industries Inc. The National Stock Number assigned to this part is 4820008314095, 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 NTK202.