Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B12 0034C 11MS P346288G01 found under Valve Check by Velan Valve Corporation. The National Stock Number assigned to this part is 4820014695588, 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 B12 0034C 11MS P346288G01.