Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4260023-2 found under Filter Assembly Ele by Mcdonnell Douglas. The National Stock Number assigned to this part is 5915014003491, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4260023-2.