Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X821591V24VDC TPL6405 found under Valve Solenoid by Automatic Switch Company. The National Stock Number assigned to this part is 4810004549606, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X821591V24VDC TPL6405.