Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number V1A10012-051ITEM 12 found under Valve Assembly by Vacco Industries. The National Stock Number assigned to this part is 4820010876255, 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 V1A10012-051ITEM 12.