Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B77T0143-0673 found under Resistor Network Fi by Mcdonnell Douglas. The National Stock Number assigned to this part is 5905003280046, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B77T0143-0673.