Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VD21089H found under Valve Thermo by Scovill Fasteners Inc. The National Stock Number assigned to this part is 2935008762419, and the Federal Supply Class is 2935 Engine System Cooling Components Aircraft Prime Moving. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like VD21089H.