Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VD10973N found under Valve Vernatherm by Rostra Vernatherm Llc. The National Stock Number assigned to this part is 1615009434976, and the Federal Supply Class is 1615 Helicopter Rotor Blades Drive Mechanisms And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like VD10973N.