Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B46N0078 found under Filter Radio Freque by Mcdonnell Douglas. The National Stock Number assigned to this part is 5915009505605, 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 B46N0078.