Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DF2300-4657 FN MPLA-A14 found under Retainer Disk Valve by Huntington Ingalls Incorporated. The National Stock Number assigned to this part is 4820014155676, 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 DF2300-4657 FN MPLA-A14.