Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B10 0064C 11MS 83309 52 MOD found under Valve Gate by Velan Valve Corporation. The National Stock Number assigned to this part is 4820016697979, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B10 0064C 11MS 83309 52 MOD.