Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HVA 158 571 834444M0 24VDC found under Valve Solenoid by Automatic Switch Company. The National Stock Number assigned to this part is 4810012937027, 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 HVA 158 571 834444M0 24VDC.