Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MZ023925 found under Gear Operator Valve by Mastergear Corp. The National Stock Number assigned to this part is 4820014525619, 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 MZ023925.