Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HE190S0NC found under Valve Two Way Pilot by Vickers Ltd. The National Stock Number assigned to this part is 2520003049390, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HE190S0NC.